Global freshwater quality :
Global freshwater quality : a first assessment /
edited by Michel Meybeck, Deborah V. Chapman, Richard Helmer.
- Oxford, UK ; Cambridge, Mass., USA : Published on behalf of the World Health Organization and the United Nations Environment Programme by Blackwell Reference, 1990.
- x, 306 p. : ill. ; 28 cm.
At head of title: Global Environment Monitoring System.
Includes bibliographical references and index.
0631173145 : $90.00
89018289
Water quality.
Water--Pollution.
TD370 / .G56 1990
363.73942 MEY
At head of title: Global Environment Monitoring System.
Includes bibliographical references and index.
0631173145 : $90.00
89018289
Water quality.
Water--Pollution.
TD370 / .G56 1990
363.73942 MEY