Water quality assessments : a guide to the use of biota, sediment s, and water in environmental monitoring - Chapman, Deborah V.; United Nations Educational Scientific and Cultural Organisation; World Health Organization; United Nations Environment Programme (London ; New York : Chapman & Hall, 1992)
"Published on behalf of UNESCO, United Nations Educational, Scientif ic, and Cultural Organization, WHO, World Health Organization, UNEP, Un ited Nations Environment Programme."
Includes bibliographical references and index.
Keywords: Water quality management; Water quality biological assessment