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United Nations Environment Programme ,  International Register of Potentially Toxic Chemicals (IRPTC) ,  [Instructions for the Selection and Presentation of Data for the International Register of Potentially Toxic Chemicals with Sixty Illustrative Chemical Data Profiles] ,  Instructions for the Selection and Presentation of Data for the International Register of Potentially Toxic Chemicals with Sixty Illustrative Chemical Data Profiles

United Nations Environment Programme ,  [A Report on the Conservation Monitoring Centre : Data Holdings and Data Management] ,  A Report on the Conservation Monitoring Centre : Data Holdings and Data Management

United Nations Environment Programme ,  International Register of Potentially Toxic Chemicals ,  USSR State Committee for Science and Technology ,  [Hygienic and Toxicological Criteria of Harmfulness in Evaluating Hazards of Chemical Compounds] ,  Hygienic and Toxicological Criteria of Harmfulness in Evaluating Hazards of Chemical Compounds

United Nations Environment Programme ,  [UNEP Survey of Information Systems Related to Environmentally Sound Technologies: Contribution to the 1997 Session of the Commission on Sustainable Development] ,  UNEP Survey of Information Systems Related to Environmentally Sound Technologies: Contribution to the 1997 Session of the Commission on Sustainable Development