TY  - BOOK
AU  - Chapman, Deborah V.
ED  - United Nations Educational Scientific and Cultural Organisation.
ED  - World Health Organization.
ED  - United Nations Environment Programme.
TI  - Water quality assessments: a guide to the use of biota, sediment s, and water in environmental monitoring 
SN  - 0412448408
U1  - 363.61 
PY  - 1992///
CY  - London,  New York
PB  - Chapman & Hall
KW  - Water quality management
KW  - Water quality biological assessment
N1  - "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
ER  -