Water quality assessments : a guide to the use of biota, sediments, and water in environmental monitoring /
Chapman, Deborah V.
Unesco.
World Health Organization.
United Nations Environment Programme.
London ; New York : E & FN Spon,
1996.
"Published on behalf of UNESCO, United Nations Educational, Scientific, and Cultural Organization, WHO, World Health Organization, UNEP, United Nations Environment Programme."
Includes bibliographical references and index.
Water quality
Water quality biological assessment.