66. Environmental Health Criteria 606,450 KELEVAN Kelevan / [IPCS International Programme on Chemical Safety]. - Geneva : World Health Organization, 1986. -32 s. ; 21 cm. - (Environmental Health Criteria, ISSN 0250-863X ; 66) U dołu s. tyt.: Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organizatten. - Blbliogr. s. 29-32 ISBN 92-4-154266-7