123. Environmental Health Criteria 555,935 ALPHA - Alpha- and beta- hexachlorocyclohexanes / first draft prep, by G. J. van Esch / [IPCS International Programme on Chemical Safety], - Geneva : 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