a first assessment Meybeck, M. (Michel) Helmer, Richard 1943- Chapman, Deborah V. Global Environmental Monitoring System United Nations Environment Programme World Health Organization text bibliography mau Cambridge, Mass., U.S.A Published on behalf of the World Health Organization and the United Nations Environment Programme by Blackwell Reference 1990 monographic eng

print

x, 306 p. cm. edited by Michel Meybeck, Deborah V. Chapman, Richard Helmer. At head of title: Global Environment Monitoring System. Water quality Water Pollution TD370 .G56 1990 363.73/942 0631173145 89018289 891027 20160527183830.0 16378