Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization.
At head of title on cover: IPCS International Programme on Chemical Safety.
In English with summary in French and Spanish.
"WHO Task Group Meeting on Environmental Health Criteria for Alpha- and Beta- Hexachlorocyclohexanes"--P. 4.
Meeting held in Moscow from the 20th to 24th of Nov. 1989.
Includes bibliographical references (pages 122-139).