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-%dl
-  %dt
-    [
-    %a{ :name => "maunz08b" }
-      1
-    ]
-  %dd
-    A. Maunz and C. Helma.
-    Prediction of toxic effects of pharmaceutical agents.
-    In K. V. Balakin, editor,
-    %em
-      Pharmaceutical Data Mining: Approaches
-      and Applications for Drug Discovery
-    , New York, 2009. J. Wiley & Sons, Inc.
-    [ 
-    %a{ :href => "http://www.in-silico.de/articles/chapter_mh.pdf" }
-      \.pdf
-    \ ]
-  %dt
-    [
-    %a{ :name => "maunz09a" }
-      2
-    ]
-  %dd
-    A. Maunz, C. Helma, and S. Kramer.
-    Large-scale graph mining using backbone refinement classes.
-    In
-    %em
-      Proceedings of the 15th ACM SIGKDD International Conference
-      on Knowledge Discovery and Data Mining (KDD-09)
-    , page in press, 2009.
-    [ 
-    %a{ :href => "http://www.maunz.de/ls_graph_mining_using_bbrcs.pdf" }
-      \.pdf
-    \ ]
-  %dt
-    [
-    %a{ :name => "hammann09a" }
-      3
-    ]
-  %dd
-    F. Hammann, H. Gutmann, U. Jecklin, A. Maunz, C. Helma, and J. Drewe.
-    Development of decision tree models for substrates, inhibitors and
-    inducers of P-glycoprotein.
-    %em
-      Current Drug Metabolism
-    , 10:339-46, 2009.
-  %dt
-    [
-    %a{ :name => "hammann09b" }
-      4
-    ]
-  %dd
-    Felix Hammann, Heike Gutmann, Ulli Baumann, Christoph Helma, and Juergen Drewe.
-    Classification of cytochrome p(450) activities using machine learning
-    methods.
-    %em
-      Molecular pharmaceutics
-    , 6:1920-6, 2009.
-  %dt
-    [
-    %a{ :name => "maunz08a" }
-      5
-    ]
-  %dd
-    A. Maunz and C. Helma.
-    Prediction of chemical toxicity with local support vector regression
-    and activity-specific kernels.
-    %em
-      SAR QSAR Environ. Res.
-    , 19:413-431, 2008.
-    [ 
-    %a{ :href => "http://www.in-silico.de/articles/mh_tf.pdf" }
-      \.pdf
-    \ ]
-  %dt
-    [
-    %a{ :name => "benigni07" }
-      6
-    ]
-  %dd
-    R. Benigni, T. I. Netzeva, E. Benfenati, C. Bossa, R. Franke, C. Helma,
-    E. Hulzebos, C. Marchant, A. Richard, Y.-T. Woo, and C. Yang.
-    The expanding role of predictive toxicology: an update on the (Q)SAR
-    models for mutagens and carcinogens.
-    %em
-      J Environ Sci Health C Environ Carcinog Ecotoxicol Rev.
-    ,
-    25:53-97, 2007.
-  %dt
-    [
-    %a{ :name => "helma06a" }
-      7
-    ]
-  %dd
-    C. Helma.
-    Lazy structure-activity relationships (
-    %tt
-      lazar
-    ) for the
-    prediction of rodent carcinogenicity and
-    %em
-      Salmonella
-    mutagenicity.
-    %em
-      Molecular Diversity
-    , 10:147-158, 2006.
-    [ 
-    %a{ :href => "http://www.in-silico.de/articles/modi020905.pdf" }
-      \.pdf
-    \ ]
-  %dt
-    [
-    %a{ :name => "helma06b" }
-      8
-    ]
-  %dd
-    C. Helma and J. Kazius.
-    Artificial intelligence and data mining for toxicity prediction.
-    %em
-      Current Computer-Aided Drug Design
-    , 2:1-19, 2006.
-    [ 
-    %a{ :href => "http://www.in-silico.de/articles/helma_kazius_ccadd.pdf" }
-      \.pdf
-    \ ]
-  %dt
-    [
-    %a{ :name => "vracko06" }
-      9
-    ]
-  %dd
-    M. Vracko, V. Bandelj, P. Barbieri, E. Benfenati, Q. Chaudhry, M. Cronin,
-    J. Devillers, A. Gallegos, G. Gini, P. Gramatica, C. Helma, D. Neagu,
-    T. Netzeva, M. Pavan, G. Patlevicz, M. Randic, I. Tsakovska, and A. Worth.
-    Validation of counter propagation neural network models for
-    predictive toxicology according to the OECD principles. A case study.
-    %em
-      SAR QSAR Environ. Res.
-    , 17:265-84, 2006.
-  %dt
-    [
-    %a{ :name => "helma05a" }
-      10
-    ]
-  %dd
-    C. Helma.
-    %em
-      Predictive Toxicology
-    \.
-    CRC Press, Boca Raton, 2005.
-  %dt
-    [
-    %a{ :name => "helma05b" }
-      11
-    ]
-  %dd
-    C. Helma.
-    %tt
-      lazar:
-    Lazy Structure - Activity Relationships for toxicity
-    prediction.
-    In C. Helma, editor,
-    %em
-      Predictive Toxicology
-    , pages 479-499. CRC
-    Press, Boca Raton, 2005.
-  %dt
-    [
-    %a{ :name => "helma05c" }
-      12
-    ]
-  %dd
-    C. Helma.
-    %em
-      In Silico
-    predictive toxicology: The state-of-the-art and
-    strategies to predict human health effects.
-    %em
-      Current Opinions in Drug Discovery & Development
-    , 8:27-31,
-    2005.
-    [ 
-    %a{ :href => "http://www.in-silico.de/articles/helma_coddd.pdf" }
-      \.pdf
-    \ ]
-  %dt
-    [
-    %a{ :name => "helma05d" }
-      13
-    ]
-  %dd
-    C. Helma.
-    A brief introduction to predictive toxicology.
-    In C. Helma, editor,
-    %em
-      Predictive Toxicology
-    \. CRC Press, Boca
-    Raton, 2005.
-  %dt
-    [
-    %a{ :name => "kramer05" }
-      14
-    ]
-  %dd
-    S. Kramer and C. Helma.
-    Machine learning and data mining.
-    In C. Helma, editor,
-    %em
-      Predictive Toxicology
-    , pages 223-254. CRC
-    Press, Boca Raton, 2005.
-  %dt
-    [
-    %a{ :name => "helma04a" }
-      15
-    ]
-  %dd
-    C. Helma, T. Kramer, S. Kramer, and L. DeRaedt.
-    Data Mining and Machine Learning techniques for the
-    identification of mutagenicity inducing substructures and
-    Structure-Activity Relationships of noncongeneric compounds.
-    %em
-      J. Chem. Inf. Comput. Sci.
-    , 44:1402-1411, 2004.
-    [ 
-    %a{ :href => "http://pubs3.acs.org/acs/journals/doilookup?in_doi=10.1021/ci034254q" }
-      http
-    \ ]
-  %dt
-    [
-    %a{ :name => "helma04b" }
-      16
-    ]
-  %dd
-    C. Helma.
-    Data mining and knowledge discovery in predictive toxicology.
-    %em
-      SAR QSAR Environ. Res.
-    , 15:367-383, 2004.
-  %dt
-    [
-    %a{ :name => "helma03a" }
-      17
-    ]
-  %dd
-    C. Helma and S. Kramer.
-    A survey of the Predictive Toxicology Challenge.
-    %em
-      Bioinformatics
-    , 19:1179-1182, 2003.
-    [ 
-    %a{ :href => "http://bioinformatics.oxfordjournals.org/cgi/content/abstract/19/10/1179" }
-      http
-    \ ]
-  %dt
-    [
-    %a{ :name => "helma03b" }
-      18
-    ]
-  %dd
-    C. Helma, S. Kramer, and L. DeRaedt.
-    The molecular feature miner MolFea.
-    In M. Hicks and C. Kettner, editors,
-    %em
-      Proceedings of the
-      Beilstein Workshop 2002: Molecular Informatics: Confronting Complexity
-    ,
-    pages 79-93. Beilstein Institut, Frankfurt, 2003.
-  %dt
-    [
-    %a{ :name => "toivonen03" }
-      19
-    ]
-  %dd
-    H. Toivonen, A. Srinivasan, R. D. King, S. Kramer, and C. Helma.
-    Statistical evaluation of the Predictive Toxicology Challenge
-    2000-2001.
-    %em
-      Bioinformatics
-    , 19:1183-1193, 2003.
-    [ 
-    %a{ :href => "http://bioinformatics.oxfordjournals.org/cgi/content/abstract/19/10/1183" }
-      http
-    \ ]
-  %dt
-    [
-    %a{ :name => "helma02a" }
-      20
-    ]
-  %dd
-    C. Helma.
-    Data mining in toxicology.
-    In J.P.V. Heuvel, W.F. Greenlee, G.H. Perdew, and W.B. Mattes,
-    editors,
-    %em
-      Comprehensive Toxicology Vol XX. Cellular and Molecular
-      Toxicology
-    , pages 611-624. Elsevier, 2002.
-  %dt
-    [
-    %a{ :name => "kassie02" }
-      21
-    ]
-  %dd
-    F. Kassie, S. Rabot, M. Uhl, W. Huber, H.M. Qin, C. Helma, R. Schulte-Hermann,
-    and S. Knasmüller.
-    Chemoprotective effects of garden cress (lepidium sativum) and its
-    constituents towards 2-amino-3-methyl-imidazo[4,5-f]quinoline (IQ)-induced
-    genotoxic effects and colonicneoplastic lesions.
-    %em
-      Carcinogenesis
-    , 23:1155-1161, 2002.
-  %dt
-    [
-    %a{ :name => "kramer02" }
-      22
-    ]
-  %dd
-    S. Kramer, E. Frank, and C. Helma.
-    Fragment generation and Support Vector Machines for inducing
-    SARs.
-    %em
-      SAR and QSAR in Environmental Research
-    , 13:509-523, 2002.
-  %dt
-    [
-    %a{ :name => "gottmann01" }
-      23
-    ]
-  %dd
-    E. Gottmann, S. Kramer, B. Pfahringer, and C. Helma.
-    Data quality in predictive toxicology: Reproducibility of rodent
-    carcinogenicity experiments.
-    %em
-      Environ. Health Perspect.
-    , 109:509-514, 2001.
-    [ 
-    %a{ :href => "http://www.ehponline.org/members/2001/109p509-514gottmann/gottmann-full.html" }
-      \.html
-    \ ]
-  %dt
-    [
-    %a{ :name => "helma01b" }
-      24
-    ]
-  %dd
-    C. Helma, R.D. King, S. Kramer, and A. Srinivasan.
-    The Predictive Toxicology Challenge 2000-2001.
-    %em
-      Bioinformatics
-    , 17:107-108, 2001.
-    [ 
-    %a{ :href => "http://bioinformatics.oupjournals.org/cgi/reprint/17/1/107.pdf" }
-      \.pdf
-    \ ]
-  %dt
-    [
-    %a{ :name => "kramer01e" }
-      25
-    ]
-  %dd
-    S. Kramer, L. De Raedt, and C. Helma.
-    Molecular feature mining in HIV data.
-    In
-    %em
-      Proceedings of the Seventh ACM SIGKDD International
-      Conference on Knowledge Discovery and Data Mining (KDD-01)
-    , pages 136-143,
-    2001.
-  %dt
-    [
-    %a{ :name => "helma00a" }
-      26
-    ]
-  %dd
-    C. Helma, S. Kramer, B. Pfahringer, and E. Gottmann.
-    Data quality in predictive toxicology: Identification of chemical
-    structures and calculation of chemical properties.
-    %em
-      Environ. Health Perspect.
-    , 108:1029-1033, 2000.
-    [ 
-    %a{ :href => "http://ehpnet1.niehs.nih.gov/docs/2000/108p1029-1033helma/abstract.html" }
-      \.html
-    \ ]
-  %dt
-    [
-    %a{ :name => "helma00b" }
-      27
-    ]
-  %dd
-    C. Helma, E. Gottmann, and S. Kramer.
-    Knowledge discovery and data mining in toxicology.
-    %em
-      Stat Methods Med Res.
-    , 9:329-358, 2000.
-    [ 
-    %a{ :href => "http://www.in-silico.de/articles/smmr.pdf" }
-      \.pdf
-    \ ]
-  %dt
-    [
-    %a{ :name => "helma00c" }
-      28
-    ]
-  %dd
-    C. Helma, S. Kramer, and B. Pfahringer.
-    Carcinogenicity prediction for noncongeneric compounds: Experiments
-    with the Machine Learning Program SRT and various sets of chemical
-    descriptors.
-    In
-    %em
-      Molecular Modelling and Prediction of Bioactivity
-    , page 464,
-    2000.
-  %dt
-    [
-    %a{ :name => "helma00d" }
-      29
-    ]
-  %dd
-    C. Helma and M. Uhl.
-    A public domain image analysis program for the single cell gel
-    electrophoresis (comet) assay.
-    %em
-      Mutation Res.
-    , 466:9-15, 2000.
-    [ 
-    %a{ :href => "http://www.in-silico.de/articles/comet.pdf" }
-      \.pdf
-    \ ]
-  %dt
-    [
-    %a{ :name => "helma00e" }
-      30
-    ]
-  %dd
-    C. Helma, E. Gottmann, S. Kramer, and B. Pfahringer.
-    The application of machine learning algorithms to detect chemical
-    properties responsible for carcinogenicity.
-    In K. Gundertofte and F.S. Jorgensen, editors,
-    %em
-      Molecular
-      Modeling and Prediction of Bioactivity
-    , pages 464-466, New York, 2000.
-    Kluwer Academic/Plenum Publishers.
-  %dt
-    [
-    %a{ :name => "helma00f" }
-      31
-    ]
-  %dd
-    C. Helma, E. Gottmann, S. Kramer, and B. Pfahringer.
-    Artificial Intelligence Methoden zur Vorhersage der
-    Kanzerogenität organischer Verbindungen.
-    In H. Schöffl, H. Spielmann, and H.A. Tritthart, editors,
-    %em
-      Ersatz- und Ergänzungsmethoden zu Tierversuchen: Forschung ohne
-      Tierversuche
-    , pages 128-134, Wien-New York, 2000. Springer Verlag.
-  %dt
-    [
-    %a{ :name => "uhl00" }
-      32
-    ]
-  %dd
-    M. Uhl, C. Helma, and S. Knasmüller.
-    Evaluation of the single cell gel electrophoretic assay with human
-    hepatoma (HepG2) cells.
-    %em
-      Mutation Res.
-    , 468:213-225, 2000.
-  %dt
-    [
-    %a{ :name => "helma99a" }
-      33
-    ]
-  %dd
-    C. Helma, E. Gottmann, S. Kramer, and B. Pfahringer.
-    Data quality issues in toxicological knowledge discovery.
-    In
-    %em
-      Predictive Toxicology of Chemicals: Experiences and Impact of
-      AI Tools
-    , pages 8-11, Menlo Park, California, 1999. AAAI Press.
-  %dt
-    [
-    %a{ :name => "pfahringer99" }
-      34
-    ]
-  %dd
-    B. Pfahringer, E. Gottmann, C. Helma, and S. Kramer.
-    Efficiency/representational issues in toxicological knowledge
-    discovery.
-    In
-    %em
-      Predictive Toxicology of Chemicals: Experiences and Impact of
-      AI Tools
-    , pages 86-89, Menlo Park, California, 1999. AAAI Press.
-  %dt
-    [
-    %a{ :name => "uhl99" }
-      35
-    ]
-  %dd
-    M. Uhl, C. Helma, and S. Knasmüller.
-    Single-cell gel electrophoresis assays with human-derived hepatoma
-    (HepG2) cells.
-    %em
-      Mutation Res.
-    , 441:215-224, 1999.
-  %dt
-    [
-    %a{ :name => "helma98a" }
-      36
-    ]
-  %dd
-    C. Helma, E. Gottmann, S. Kramer, and B. Pfahringer.
-    The application of machine learning algorithms to detect chemical
-    properties responsible for carcinogenicity.
-    In
-    %em
-      Molecular Modelling and Prediction of Bioactivity.
-      Proceedings of the 12th European Symposium on Quantitative Structure-Activity
-      Relationships
-    , 1998.
-  %dt
-    [
-    %a{ :name => "helma98b" }
-      37
-    ]
-  %dd
-    C. Helma, P. Eckl, E. Gottmann, F. Kassie, W. Rodinger, H. Steinkellner,
-    C. Windpassinger, R. Schulte-Hermann, and S. Knasmüller.
-    Genotoxic and ecotoxic effects of groundwaters and their relation to
-    routinely measured chemical parameters.
-    %em
-      Environ. Sci. Technol.
-    , 32:1799-1805, 1998.
-  %dt
-    [
-    %a{ :name => "knasmueller98" }
-      38
-    ]
-  %dd
-    S. Knasmüller, C. Helma, P. Eckl, E. Gottmann, H. Steinkellner, F. Kassie,
-    T. Haider, W. Parzefall, and R. Schulte-Hermann.
-    Investigations on genotoxic effects of groundwater from the
-    Mitterndorfer Senke from the vicinity of Wiener Neustadt.
-    %em
-      Wiener Klinische Wochenschrift
-    , 110:824-833, 1998.
-  %dt
-    [
-    %a{ :name => "kramer98" }
-      39
-    ]
-  %dd
-    S. Kramer, B. Pfahringer, and C. Helma.
-    Stochastic propositionalization of non-determinate background
-    knowledge.
-    In
-    %em
-      Proceedings of the 8th International Workshop on Inductive
-      Logic Programming (ILP-98)
-    , pages 80-94, Berlin Heidelberg New York, 1998.
-    Springer.
-  %dt
-    [
-    %a{ :name => "steinkellner98" }
-      40
-    ]
-  %dd
-    H. Steinkellner, M.S. Kong, C. Helma, S. Ecker, T.H. Ma, O. Horak, M. Kundi,
-    and S. Knasmüller.
-    Genotoxic effects of heavy metals: Comparative investigation with
-    plant bioassays.
-    %em
-      Environ. Mol. Mutagen.
-    , 31:183-191, 1998.
-  %dt
-    [
-    %a{ :name => "helma97a" }
-      41
-    ]
-  %dd
-    C. Helma and S. Knasmüller.
-    Die Belastung von Gewässern mit gentoxischen Substanzen
-    IIa: Die Quellen gentoxischer Kontaminationen (Industrielle
-    Emissionen).
-    %em
-      UWSF-Z.Umweltchem.Ökotox.
-    , 9:41-48, 1997.
-  %dt
-    [
-    %a{ :name => "helma97b" }
-      42
-    ]
-  %dd
-    C. Helma and S. Knasmüller.
-    Die Belastung von Gewässern mit gentoxischen Substanzen
-    IIb: Die Quellen gentoxischer Kontaminationen (Nichtindustrielle
-    Emissionen).
-    %em
-      UWSF-Z.Umweltchem.Ökotox.
-    , 9:163-168, 1997.
-  %dt
-    [
-    %a{ :name => "helma97c" }
-      43
-    ]
-  %dd
-    C. Helma.
-    Die Situation der Chlorchemie in Östereich: Chlorhältige
-    Pflanzenschutz- Holzschutz und Wasserdesinfektionsmittel - Entwicklungen im
-    Zeitraum 1993 bis 1997.
-    Technical report, Gesellschaft Österreichischer Chemiker, 1997.
-  %dt
-    [
-    %a{ :name => "knasmueller97" }
-      44
-    ]
-  %dd
-    S. Knasmüller, W. Parzefall, C. Helma, F. Kassie, S. Ecker, and
-    R. Schulte-Hermann.
-    Toxic effects of griseofulvin: Disease models, mechanisms, and risk
-    assessment.
-    %em
-      Critical Reviews in Toxicology
-    , 27:495-537, 1997.
-  %dt
-    [
-    %a{ :name => "kramer97a" }
-      45
-    ]
-  %dd
-    S. Kramer, B. Pfahringer, and C. Helma.
-    Mining for causes of cancer: Machine learning experiments at various
-    levels of detail.
-    In
-    %em
-      Proceedings of the Third International Conference on
-      Knowledge Discovery and Data Mining (KDD-97)
-    , Menlo Park, CA, 1997. AAAI
-    Press.
-  %dt
-    [
-    %a{ :name => "helma96a" }
-      46
-    ]
-  %dd
-    C. Helma, V. Mersch-Sundermann, V.S. Houk, U. Glasbrenner, C. Klein,
-    L. Wenquing, K. Fekadu, R. Schulte-Hermann, and S. Knasmüller.
-    Comparative evaluation of four bacterial assays for the detection of
-    genotoxic effects in water samples.
-    %em
-      Environ. Sci. Technol.
-    , 30:897-907, 1996.
-  %dt
-    [
-    %a{ :name => "helma95" }
-      47
-    ]
-  %dd
-    C. Helma, L. Kronberg, T.H. Ma, and S. Knasmüller.
-    Genotoxic effects of the chlorinated hydroxyfuranones
-    3-chloro-4-(dichloromethyl)-5-hydroxy-2[5H]-furanone and
-    3,4-dichloro-5-hydroxy-2[5H]-furanone in
-    %i
-      Tradescantia
-    micronucleus assays.
-    %em
-      Mutation Res.
-    , 346:181-186, 1995.
-  %dt
-    [
-    %a{ :name => "helma95b" }
-      48
-    ]
-  %dd
-    C. Helma.
-    Erfahrungen mit dem Einsatz biologischer Mutationstests zur
-    Verfahrensoptimierung und Umweltkontrolle.
-    In
-    %em
-      Handbuch der Umwelttechnik 1995
-    , pages 266-267. Wien, 1995.
-  %dt
-    [
-    %a{ :name => "helma95c" }
-      49
-    ]
-  %dd
-    C. Helma.
-    Detection of genotoxic contaminations in water.
-    In M. Guminska and J. Miedzobrodzki, editors,
-    %em
-      Molecular Biology
-      for Environment and Man
-    , pages 99-111. 1995.
-  %dt
-    [
-    %a{ :name => "helma94a" }
-      50
-    ]
-  %dd
-    C. Helma, R. Sommer, R. Schulte-Hermann, and S. Knasmüller.
-    Enhanced clastogenicity of contaminated ground water following UV
-    irradiation detected by the
-    %em
-      Tradescantia
-    micronucleus assay.
-    %em
-      Mutation Res.
-    , 323:93-98, 1994.
-  %dt
-    [
-    %a{ :name => "helma94b" }
-      51
-    ]
-  %dd
-    C. Helma, S. Knasmüller, and R. Schulte-Hermann.
-    Die Belastung von Wässern mit gentoxischen Substanzen I. Methoden
-    zur Prüfung der Gentoxizität.
-    %em
-      UWSF-Z.Umweltchem.Ökotox.
-    , 6:277-288, 1994.
-  %dt
-    [
-    %a{ :name => "helma94c" }
-      52
-    ]
-  %dd
-    C. Helma, S. Knasmüller, and R. Schulte-Hermann.
-    Biologische Tests zur Prüfung der Gentoxizität:
-    Einsatzmöglichkeiten zur Verfahrensoptimierung und Emissionskontrolle.
-    In Brandl et al., editor,
-    %em
-      Ecoinforma 94. Bd 9, Kanzerogenese
-      durch Umweltchemikalien
-    , pages 497-512. Wien, 1994.
-  %dt
-    [
-    %a{ :name => "fassold93" }
-      53
-    ]
-  %dd
-    E. Fassold, C. Helma, S. Knasmüller, and R. Sattelberger.
-    Die Situation der Chlorchemie in Östereich, 8. Teil:
-    Chlorhältige Pflanzenschutz- Holzschutz und Wasserdesinfektionsmittel.
-    Technical report, Gesellschaft Österreichischer Chemiker, 1993.
-  %dt
-    [
-    %a{ :name => "helma92" }
-      54
-    ]
-  %dd
-    C. Helma et.al.
-    Abfallarme Großküche.
-    Technical report, Österreichisches Ökologie Institut, 1992.
-  %dt
-    [
-    %a{ :name => "helma91" }
-      55
-    ]
-  %dd
-    C. Helma et.al.
-    Ausstieg aus der Müllverbrennung.
-    Technical report, Österreichisches Ökologie Institut, 1991.
+%dt
+	[
+	%a{:name => "suenderhof10"}> 1
+	]
+%dd
+	Claudia Suenderhauf, Felix Hammann, Andreas Maunz, Christoph Helma, and Jo¿rg
+	Huwyler.
+	Combinatorial qsar modeling of human intestinal absorption.
+	= succeed "," do
+		%em Molecular Pharmaceutics
+	8(1):213-224, 2011.
+	[ 
+	%a{:href => "http://dx.doi.org/10.1021/mp100279d"}> DOI
+	\ |
+	%a{:href => "http://pubs.acs.org/doi/abs/10.1021/mp100279d"} http
+	 ]
+%dt
+	[
+	%a{:name => "maunz10a"}> 2
+	]
+%dd
+	Andreas Maunz, Christoph Helma, and Stefan Kramer.
+	Efficient mining for structurally diverse subgraph patterns in large
+	molecular databases.
+	= succeed "," do
+		%em Machine Learning
+	pages 1-26, 2010.
+	[ 
+	%a{:href => "http://dx.doi.org/10.1007/s10994-010-5187-6"}> http
+	\ ]
+%dt
+	[
+	%a{:name => "hardy10"}> 3
+	]
+%dd
+	Barry Hardy, Nicki Douglas, Christoph Helma, Micha Rautenberg, Nina Jeliazkova,
+	Vedrin Jeliazkov, Ivelina Nikolova, Romualdo Benigni, Olga Tcheremenskaia,
+	Stefan Kramer, Tobias Girschick, Fabian Buchwald, Joerg Wicker, Andreas
+	Karwath, Martin Gutlein, Andreas Maunz, Haralambos Sarimveis, Georgia
+	Melagraki, Antreas Afantitis, Pantelis Sopasakis, David Gallagher, Vladimir
+	Poroikov, Dmitry Filimonov, Alexey Zakharov, Alexey Lagunin, Tatyana
+	Gloriozova, Sergey Novikov, Natalia Skvortsova, Dmitry Druzhilovsky, Sunil
+	Chawla, Indira Ghosh, Surajit Ray, Hitesh Patel, and Sylvia Escher.
+	Collaborative development of predictive toxicology applications.
+	= succeed "," do
+		%em Journal of Cheminformatics
+	2:7, 2010.
+%dt
+	[
+	%a{:name => "maunz08b"}> 4
+	]
+%dd
+	A. Maunz and C. Helma.
+	Prediction of toxic effects of pharmaceutical agents.
+	In K. V. Balakin, editor,
+	= succeed "," do
+		%em
+			Pharmaceutical Data Mining: Approaches
+			and Applications for Drug Discovery
+	New York, 2009. J. Wiley & Sons, Inc.
+	[ 
+	%a{:href => "http://www.in-silico.de/articles/chapter_mh.pdf"}> .pdf
+	\ ]
+%dt
+	[
+	%a{:name => "maunz09a"}> 5
+	]
+%dd
+	A. Maunz, C. Helma, and S. Kramer.
+	Large-scale graph mining using backbone refinement classes.
+	In
+	= succeed "," do
+		%em
+			Proceedings of the 15th ACM SIGKDD International Conference
+			on Knowledge Discovery and Data Mining (KDD-09)
+	page in press, 2009.
+	[ 
+	%a{:href => "http://www.maunz.de/ls_graph_mining_using_bbrcs.pdf"}> .pdf
+	\ ]
+%dt
+	[
+	%a{:name => "hammann09a"}> 6
+	]
+%dd
+	F. Hammann, H. Gutmann, U. Jecklin, A. Maunz, C. Helma, and J. Drewe.
+	Development of decision tree models for substrates, inhibitors and
+	inducers of P-glycoprotein.
+	= succeed "," do
+		%em Current Drug Metabolism
+	10:339-46, 2009.
+%dt
+	[
+	%a{:name => "hammann09b"}> 7
+	]
+%dd
+	Felix Hammann, Heike Gutmann, Ulli Baumann, Christoph Helma, and Juergen Drewe.
+	Classification of cytochrome p(450) activities using machine learning
+	methods.
+	= succeed "," do
+		%em Molecular pharmaceutics
+	6:1920-6, 2009.
+%dt
+	[
+	%a{:name => "maunz08a"}> 8
+	]
+%dd
+	A. Maunz and C. Helma.
+	Prediction of chemical toxicity with local support vector regression
+	and activity-specific kernels.
+	= succeed "," do
+		%em SAR QSAR Environ. Res.
+	19:413-431, 2008.
+	[ 
+	%a{:href => "http://www.in-silico.de/articles/mh_tf.pdf"}> .pdf
+	\ ]
+%dt
+	[
+	%a{:name => "benigni07"}> 9
+	]
+%dd
+	R. Benigni, T. I. Netzeva, E. Benfenati, C. Bossa, R. Franke, C. Helma,
+	E. Hulzebos, C. Marchant, A. Richard, Y.-T. Woo, and C. Yang.
+	The expanding role of predictive toxicology: an update on the (Q)SAR
+	models for mutagens and carcinogens.
+	= succeed "," do
+		%em J Environ Sci Health C Environ Carcinog Ecotoxicol Rev.
+	25:53-97, 2007.
+%dt
+	[
+	%a{:name => "helma06a"}> 10
+	]
+%dd
+	C. Helma.
+	Lazy structure-activity relationships (
+	%tt> lazar
+	) for the
+	prediction of rodent carcinogenicity and
+	%em Salmonella
+	mutagenicity.
+	= succeed "," do
+		%em Molecular Diversity
+	10:147-158, 2006.
+	[ 
+	%a{:href => "http://www.in-silico.de/articles/modi020905.pdf"}> .pdf
+	\ ]
+%dt
+	[
+	%a{:name => "helma06b"}> 11
+	]
+%dd
+	C. Helma and J. Kazius.
+	Artificial intelligence and data mining for toxicity prediction.
+	= succeed "," do
+		%em Current Computer-Aided Drug Design
+	2:1-19, 2006.
+	[ 
+	%a{:href => "http://www.in-silico.de/articles/helma_kazius_ccadd.pdf"}> .pdf
+	\ ]
+%dt
+	[
+	%a{:name => "vracko06"}> 12
+	]
+%dd
+	M. Vracko, V. Bandelj, P. Barbieri, E. Benfenati, Q. Chaudhry, M. Cronin,
+	J. Devillers, A. Gallegos, G. Gini, P. Gramatica, C. Helma, D. Neagu,
+	T. Netzeva, M. Pavan, G. Patlevicz, M. Randic, I. Tsakovska, and A. Worth.
+	Validation of counter propagation neural network models for
+	predictive toxicology according to the OECD principles. A case study.
+	= succeed "," do
+		%em SAR QSAR Environ. Res.
+	17:265-84, 2006.
+%dt
+	[
+	%a{:name => "helma05a"}> 13
+	]
+%dd
+	C. Helma.
+	= succeed "." do
+		%em Predictive Toxicology
+	CRC Press, Boca Raton, 2005.
+%dt
+	[
+	%a{:name => "helma05b"}> 14
+	]
+%dd
+	C. Helma.
+	%tt lazar:
+	Lazy Structure - Activity Relationships for toxicity
+	prediction.
+	In C. Helma, editor,
+	= succeed "," do
+		%em Predictive Toxicology
+	pages 479-499. CRC
+	Press, Boca Raton, 2005.
+%dt
+	[
+	%a{:name => "helma05c"}> 15
+	]
+%dd
+	C. Helma.
+	%em In Silico
+	predictive toxicology: The state-of-the-art and
+	strategies to predict human health effects.
+	= succeed "," do
+		%em Current Opinions in Drug Discovery & Development
+	8:27-31,
+	2005.
+	[ 
+	%a{:href => "http://www.in-silico.de/articles/helma_coddd.pdf"}> .pdf
+	\ ]
+%dt
+	[
+	%a{:name => "helma05d"}> 16
+	]
+%dd
+	C. Helma.
+	A brief introduction to predictive toxicology.
+	In C. Helma, editor,
+	= succeed "." do
+		%em Predictive Toxicology
+	CRC Press, Boca
+	Raton, 2005.
+%dt
+	[
+	%a{:name => "kramer05"}> 17
+	]
+%dd
+	S. Kramer and C. Helma.
+	Machine learning and data mining.
+	In C. Helma, editor,
+	= succeed "," do
+		%em Predictive Toxicology
+	pages 223-254. CRC
+	Press, Boca Raton, 2005.
+%dt
+	[
+	%a{:name => "helma04a"}> 18
+	]
+%dd
+	C. Helma, T. Kramer, S. Kramer, and L. DeRaedt.
+	Data Mining and Machine Learning techniques for the
+	identification of mutagenicity inducing substructures and
+	Structure-Activity Relationships of noncongeneric compounds.
+	= succeed "," do
+		%em J. Chem. Inf. Comput. Sci.
+	44:1402-1411, 2004.
+	[ 
+	%a{:href => "http://pubs3.acs.org/acs/journals/doilookup?in_doi=10.1021/ci034254q"}> http
+	\ ]
+%dt
+	[
+	%a{:name => "helma04b"}> 19
+	]
+%dd
+	C. Helma.
+	Data mining and knowledge discovery in predictive toxicology.
+	= succeed "," do
+		%em SAR QSAR Environ. Res.
+	15:367-383, 2004.
+%dt
+	[
+	%a{:name => "helma03a"}> 20
+	]
+%dd
+	C. Helma and S. Kramer.
+	A survey of the Predictive Toxicology Challenge.
+	= succeed "," do
+		%em Bioinformatics
+	19:1179-1182, 2003.
+	[ 
+	%a{:href => "http://bioinformatics.oxfordjournals.org/cgi/content/abstract/19/10/1179"}> http
+	\ ]
+%dt
+	[
+	%a{:name => "helma03b"}> 21
+	]
+%dd
+	C. Helma, S. Kramer, and L. DeRaedt.
+	The molecular feature miner MolFea.
+	In M. Hicks and C. Kettner, editors,
+	= succeed "," do
+		%em
+			Proceedings of the
+			Beilstein Workshop 2002: Molecular Informatics: Confronting Complexity
+	pages 79-93. Beilstein Institut, Frankfurt, 2003.
+%dt
+	[
+	%a{:name => "toivonen03"}> 22
+	]
+%dd
+	H. Toivonen, A. Srinivasan, R. D. King, S. Kramer, and C. Helma.
+	Statistical evaluation of the Predictive Toxicology Challenge
+	2000-2001.
+	= succeed "," do
+		%em Bioinformatics
+	19:1183-1193, 2003.
+	[ 
+	%a{:href => "http://bioinformatics.oxfordjournals.org/cgi/content/abstract/19/10/1183"}> http
+	\ ]
+%dt
+	[
+	%a{:name => "helma02a"}> 23
+	]
+%dd
+	C. Helma.
+	Data mining in toxicology.
+	In J.P.V. Heuvel, W.F. Greenlee, G.H. Perdew, and W.B. Mattes,
+	editors,
+	= succeed "," do
+		%em
+			Comprehensive Toxicology Vol XX. Cellular and Molecular
+			Toxicology
+	pages 611-624. Elsevier, 2002.
+%dt
+	[
+	%a{:name => "kassie02"}> 24
+	]
+%dd
+	F. Kassie, S. Rabot, M. Uhl, W. Huber, H.M. Qin, C. Helma, R. Schulte-Hermann,
+	and S. Knasmüller.
+	Chemoprotective effects of garden cress (lepidium sativum) and its
+	constituents towards 2-amino-3-methyl-imidazo[4,5-f]quinoline (IQ)-induced
+	genotoxic effects and colonicneoplastic lesions.
+	= succeed "," do
+		%em Carcinogenesis
+	23:1155-1161, 2002.
+%dt
+	[
+	%a{:name => "kramer02"}> 25
+	]
+%dd
+	S. Kramer, E. Frank, and C. Helma.
+	Fragment generation and Support Vector Machines for inducing
+	SARs.
+	= succeed "," do
+		%em SAR and QSAR in Environmental Research
+	13:509-523, 2002.
+%dt
+	[
+	%a{:name => "gottmann01"}> 26
+	]
+%dd
+	E. Gottmann, S. Kramer, B. Pfahringer, and C. Helma.
+	Data quality in predictive toxicology: Reproducibility of rodent
+	carcinogenicity experiments.
+	= succeed "," do
+		%em Environ. Health Perspect.
+	109:509-514, 2001.
+	[ 
+	%a{:href => "http://www.ehponline.org/members/2001/109p509-514gottmann/gottmann-full.html"}> .html
+	\ ]
+%dt
+	[
+	%a{:name => "helma01b"}> 27
+	]
+%dd
+	C. Helma, R.D. King, S. Kramer, and A. Srinivasan.
+	The Predictive Toxicology Challenge 2000-2001.
+	= succeed "," do
+		%em Bioinformatics
+	17:107-108, 2001.
+	[ 
+	%a{:href => "http://bioinformatics.oupjournals.org/cgi/reprint/17/1/107.pdf"}> .pdf
+	\ ]
+%dt
+	[
+	%a{:name => "kramer01e"}> 28
+	]
+%dd
+	S. Kramer, L. De Raedt, and C. Helma.
+	Molecular feature mining in HIV data.
+	In
+	= succeed "," do
+		%em
+			Proceedings of the Seventh ACM SIGKDD International
+			Conference on Knowledge Discovery and Data Mining (KDD-01)
+	pages 136-143,
+	2001.
+%dt
+	[
+	%a{:name => "helma00a"}> 29
+	]
+%dd
+	C. Helma, S. Kramer, B. Pfahringer, and E. Gottmann.
+	Data quality in predictive toxicology: Identification of chemical
+	structures and calculation of chemical properties.
+	= succeed "," do
+		%em Environ. Health Perspect.
+	108:1029-1033, 2000.
+	[ 
+	%a{:href => "http://ehpnet1.niehs.nih.gov/docs/2000/108p1029-1033helma/abstract.html"}> .html
+	\ ]
+%dt
+	[
+	%a{:name => "helma00b"}> 30
+	]
+%dd
+	C. Helma, E. Gottmann, and S. Kramer.
+	Knowledge discovery and data mining in toxicology.
+	= succeed "," do
+		%em Stat Methods Med Res.
+	9:329-358, 2000.
+	[ 
+	%a{:href => "http://www.in-silico.de/articles/smmr.pdf"}> .pdf
+	\ ]
+%dt
+	[
+	%a{:name => "helma00c"}> 31
+	]
+%dd
+	C. Helma, S. Kramer, and B. Pfahringer.
+	Carcinogenicity prediction for noncongeneric compounds: Experiments
+	with the Machine Learning Program SRT and various sets of chemical
+	descriptors.
+	In
+	= succeed "," do
+		%em Molecular Modelling and Prediction of Bioactivity
+	page 464,
+	2000.
+%dt
+	[
+	%a{:name => "helma00d"}> 32
+	]
+%dd
+	C. Helma and M. Uhl.
+	A public domain image analysis program for the single cell gel
+	electrophoresis (comet) assay.
+	= succeed "," do
+		%em Mutation Res.
+	466:9-15, 2000.
+	[ 
+	%a{:href => "http://www.in-silico.de/articles/comet.pdf"}> .pdf
+	\ ]
+%dt
+	[
+	%a{:name => "helma00e"}> 33
+	]
+%dd
+	C. Helma, E. Gottmann, S. Kramer, and B. Pfahringer.
+	The application of machine learning algorithms to detect chemical
+	properties responsible for carcinogenicity.
+	In K. Gundertofte and F.S. Jorgensen, editors,
+	= succeed "," do
+		%em
+			Molecular
+			Modeling and Prediction of Bioactivity
+	pages 464-466, New York, 2000.
+	Kluwer Academic/Plenum Publishers.
+%dt
+	[
+	%a{:name => "helma00f"}> 34
+	]
+%dd
+	C. Helma, E. Gottmann, S. Kramer, and B. Pfahringer.
+	Artificial Intelligence Methoden zur Vorhersage der
+	Kanzerogenität organischer Verbindungen.
+	In H. Schöffl, H. Spielmann, and H.A. Tritthart, editors,
+	= succeed "," do
+		%em
+			Ersatz- und Ergänzungsmethoden zu Tierversuchen: Forschung ohne
+			Tierversuche
+	pages 128-134, Wien-New York, 2000. Springer Verlag.
+%dt
+	[
+	%a{:name => "uhl00"}> 35
+	]
+%dd
+	M. Uhl, C. Helma, and S. Knasmüller.
+	Evaluation of the single cell gel electrophoretic assay with human
+	hepatoma (HepG2) cells.
+	= succeed "," do
+		%em Mutation Res.
+	468:213-225, 2000.
+%dt
+	[
+	%a{:name => "helma99a"}> 36
+	]
+%dd
+	C. Helma, E. Gottmann, S. Kramer, and B. Pfahringer.
+	Data quality issues in toxicological knowledge discovery.
+	In
+	= succeed "," do
+		%em
+			Predictive Toxicology of Chemicals: Experiences and Impact of
+			AI Tools
+	pages 8-11, Menlo Park, California, 1999. AAAI Press.
+%dt
+	[
+	%a{:name => "pfahringer99"}> 37
+	]
+%dd
+	B. Pfahringer, E. Gottmann, C. Helma, and S. Kramer.
+	Efficiency/representational issues in toxicological knowledge
+	discovery.
+	In
+	= succeed "," do
+		%em
+			Predictive Toxicology of Chemicals: Experiences and Impact of
+			AI Tools
+	pages 86-89, Menlo Park, California, 1999. AAAI Press.
+%dt
+	[
+	%a{:name => "uhl99"}> 38
+	]
+%dd
+	M. Uhl, C. Helma, and S. Knasmüller.
+	Single-cell gel electrophoresis assays with human-derived hepatoma
+	(HepG2) cells.
+	= succeed "," do
+		%em Mutation Res.
+	441:215-224, 1999.
+%dt
+	[
+	%a{:name => "helma98a"}> 39
+	]
+%dd
+	C. Helma, E. Gottmann, S. Kramer, and B. Pfahringer.
+	The application of machine learning algorithms to detect chemical
+	properties responsible for carcinogenicity.
+	In
+	= succeed "," do
+		%em
+			Molecular Modelling and Prediction of Bioactivity.
+			Proceedings of the 12th European Symposium on Quantitative Structure-Activity
+			Relationships
+	1998.
+%dt
+	[
+	%a{:name => "helma98b"}> 40
+	]
+%dd
+	C. Helma, P. Eckl, E. Gottmann, F. Kassie, W. Rodinger, H. Steinkellner,
+	C. Windpassinger, R. Schulte-Hermann, and S. Knasmüller.
+	Genotoxic and ecotoxic effects of groundwaters and their relation to
+	routinely measured chemical parameters.
+	= succeed "," do
+		%em Environ. Sci. Technol.
+	32:1799-1805, 1998.
+%dt
+	[
+	%a{:name => "knasmueller98"}> 41
+	]
+%dd
+	S. Knasmüller, C. Helma, P. Eckl, E. Gottmann, H. Steinkellner, F. Kassie,
+	T. Haider, W. Parzefall, and R. Schulte-Hermann.
+	Investigations on genotoxic effects of groundwater from the
+	Mitterndorfer Senke from the vicinity of Wiener Neustadt.
+	= succeed "," do
+		%em Wiener Klinische Wochenschrift
+	110:824-833, 1998.
+%dt
+	[
+	%a{:name => "kramer98"}> 42
+	]
+%dd
+	S. Kramer, B. Pfahringer, and C. Helma.
+	Stochastic propositionalization of non-determinate background
+	knowledge.
+	In
+	= succeed "," do
+		%em
+			Proceedings of the 8th International Workshop on Inductive
+			Logic Programming (ILP-98)
+	pages 80-94, Berlin Heidelberg New York, 1998.
+	Springer.
+%dt
+	[
+	%a{:name => "steinkellner98"}> 43
+	]
+%dd
+	H. Steinkellner, M.S. Kong, C. Helma, S. Ecker, T.H. Ma, O. Horak, M. Kundi,
+	and S. Knasmüller.
+	Genotoxic effects of heavy metals: Comparative investigation with
+	plant bioassays.
+	= succeed "," do
+		%em Environ. Mol. Mutagen.
+	31:183-191, 1998.
+%dt
+	[
+	%a{:name => "helma97a"}> 44
+	]
+%dd
+	C. Helma and S. Knasmüller.
+	Die Belastung von Gewässern mit gentoxischen Substanzen
+	IIa: Die Quellen gentoxischer Kontaminationen (Industrielle
+	Emissionen).
+	= succeed "," do
+		%em UWSF-Z.Umweltchem.Ökotox.
+	9:41-48, 1997.
+%dt
+	[
+	%a{:name => "helma97b"}> 45
+	]
+%dd
+	C. Helma and S. Knasmüller.
+	Die Belastung von Gewässern mit gentoxischen Substanzen
+	IIb: Die Quellen gentoxischer Kontaminationen (Nichtindustrielle
+	Emissionen).
+	= succeed "," do
+		%em UWSF-Z.Umweltchem.Ökotox.
+	9:163-168, 1997.
+%dt
+	[
+	%a{:name => "helma97c"}> 46
+	]
+%dd
+	C. Helma.
+	Die Situation der Chlorchemie in Östereich: Chlorhältige
+	Pflanzenschutz- Holzschutz und Wasserdesinfektionsmittel - Entwicklungen im
+	Zeitraum 1993 bis 1997.
+	Technical report, Gesellschaft Österreichischer Chemiker, 1997.
+%dt
+	[
+	%a{:name => "knasmueller97"}> 47
+	]
+%dd
+	S. Knasmüller, W. Parzefall, C. Helma, F. Kassie, S. Ecker, and
+	R. Schulte-Hermann.
+	Toxic effects of griseofulvin: Disease models, mechanisms, and risk
+	assessment.
+	= succeed "," do
+		%em Critical Reviews in Toxicology
+	27:495-537, 1997.
+%dt
+	[
+	%a{:name => "kramer97a"}> 48
+	]
+%dd
+	S. Kramer, B. Pfahringer, and C. Helma.
+	Mining for causes of cancer: Machine learning experiments at various
+	levels of detail.
+	In
+	= succeed "," do
+		%em
+			Proceedings of the Third International Conference on
+			Knowledge Discovery and Data Mining (KDD-97)
+	Menlo Park, CA, 1997. AAAI
+	Press.
+%dt
+	[
+	%a{:name => "helma96a"}> 49
+	]
+%dd
+	C. Helma, V. Mersch-Sundermann, V.S. Houk, U. Glasbrenner, C. Klein,
+	L. Wenquing, K. Fekadu, R. Schulte-Hermann, and S. Knasmüller.
+	Comparative evaluation of four bacterial assays for the detection of
+	genotoxic effects in water samples.
+	= succeed "," do
+		%em Environ. Sci. Technol.
+	30:897-907, 1996.
+%dt
+	[
+	%a{:name => "helma95"}> 50
+	]
+%dd
+	C. Helma, L. Kronberg, T.H. Ma, and S. Knasmüller.
+	Genotoxic effects of the chlorinated hydroxyfuranones
+	3-chloro-4-(dichloromethyl)-5-hydroxy-2[5H]-furanone and
+	3,4-dichloro-5-hydroxy-2[5H]-furanone in
+	%i Tradescantia
+	micronucleus assays.
+	= succeed "," do
+		%em Mutation Res.
+	346:181-186, 1995.
+%dt
+	[
+	%a{:name => "helma95b"}> 51
+	]
+%dd
+	C. Helma.
+	Erfahrungen mit dem Einsatz biologischer Mutationstests zur
+	Verfahrensoptimierung und Umweltkontrolle.
+	In
+	= succeed "," do
+		%em Handbuch der Umwelttechnik 1995
+	pages 266-267. Wien, 1995.
+%dt
+	[
+	%a{:name => "helma95c"}> 52
+	]
+%dd
+	C. Helma.
+	Detection of genotoxic contaminations in water.
+	In M. Guminska and J. Miedzobrodzki, editors,
+	= succeed "," do
+		%em
+			Molecular Biology
+			for Environment and Man
+	pages 99-111. 1995.
+%dt
+	[
+	%a{:name => "helma94a"}> 53
+	]
+%dd
+	C. Helma, R. Sommer, R. Schulte-Hermann, and S. Knasmüller.
+	Enhanced clastogenicity of contaminated ground water following UV
+	irradiation detected by the
+	%em Tradescantia
+	micronucleus assay.
+	= succeed "," do
+		%em Mutation Res.
+	323:93-98, 1994.
+%dt
+	[
+	%a{:name => "helma94b"}> 54
+	]
+%dd
+	C. Helma, S. Knasmüller, and R. Schulte-Hermann.
+	Die Belastung von Wässern mit gentoxischen Substanzen I. Methoden
+	zur Prüfung der Gentoxizität.
+	= succeed "," do
+		%em UWSF-Z.Umweltchem.Ökotox.
+	6:277-288, 1994.
+%dt
+	[
+	%a{:name => "helma94c"}> 55
+	]
+%dd
+	C. Helma, S. Knasmüller, and R. Schulte-Hermann.
+	Biologische Tests zur Prüfung der Gentoxizität:
+	Einsatzmöglichkeiten zur Verfahrensoptimierung und Emissionskontrolle.
+	In Brandl et al., editor,
+	= succeed "," do
+		%em
+			Ecoinforma 94. Bd 9, Kanzerogenese
+			durch Umweltchemikalien
+	pages 497-512. Wien, 1994.
+%dt
+	[
+	%a{:name => "fassold93"}> 56
+	]
+%dd
+	E. Fassold, C. Helma, S. Knasmüller, and R. Sattelberger.
+	Die Situation der Chlorchemie in Östereich, 8. Teil:
+	Chlorhältige Pflanzenschutz- Holzschutz und Wasserdesinfektionsmittel.
+	Technical report, Gesellschaft Österreichischer Chemiker, 1993.
+%dt
+	[
+	%a{:name => "helma92"}> 57
+	]
+%dd
+	C. Helma et.al.
+	Abfallarme Großküche.
+	Technical report, Österreichisches Ökologie Institut, 1992.
+%dt
+	[
+	%a{:name => "helma91"}> 58
+	]
+%dd
+	C. Helma et.al.
+	Ausstieg aus der Müllverbrennung.
+	Technical report, Österreichisches Ökologie Institut, 1991.