Global freshwater quality : a first assessment /

Bibliographic Details
Corporate Authors:	Global Environmental Monitoring System, World Health Organization, United Nations Environment Programme
Other Authors:	Meybeck, M. (Michel), Chapman, Deborah V., Helmer, Richard, 1943-
Format:	Book
Language:	English
Published:	Cambridge, Mass., U.S.A. : Published on behalf of the World Health Organization and the United Nations Environment Programme by Blackwell Reference, 1990.
Subjects:	Water quality. Water > Pollution.

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