TY - GEN AU - United Nations Environment Programme AU - International Register of Potentially Toxic Chemicals PY - 1979 UR - https://wedocs.unep.org/handle/20.500.11822/29596 LA - English KW - toxic substance KW - chemical KW - information system KW - guideline TI - Instructions for the Selection and Presentation of Data for the International Register of Potentially Toxic Chemicals with Sixty Illustrative Chemical Data Profiles M3 - Communication or other resource ER -