HEALTH ASPECTS OF CHEMICAL SAFETY. INTERIM DOCUMENT ; /Nr/ 9 543,115 TOXICOLOGY Toxicology of pesticides : Proceedings of a Seminar. Sofia, Bulgaria 31 August-12 September 1981 / [ed. F. Kaloyanova, S. Tarkowski ; Contributors G. Antov et al.] ; European Coperation on Environmental Health Aspects of the Control of Chemicals. - Copenhagen : World Health Organization Regional Office for Europe, 1982. - VIII, [2], 288 s. ; 24 cm (Health Aspects of Chemical Safety. Interim document ; [Nr] 9)