ESCH, G. J. VAN 555,935 ALPHA- Alpha- and beta- hexachlorocyclohexanes / first draft prep. by G. J. van Esch ; [IPCS International Programme on Chemical Safety]. - Geneva t World Health Organization, 1992. - 170 s. / 21 cm. -(Environmental Health Criteria, ISSN 0250-863X ; 123) U dołu s. tyt. : Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization. - Bibliogr. s. 122-139. - Streszcz. fr., hisz ISBN 92-4-157123-3