TY  - BOOK
AU  - Chapman,Deborah V.
ED  - Unesco.; World Health Organization.
ED  - United Nations Environment Programme.
TI  - Water quality assessments: a guide to the use of biota, sediments, and water in environmental monitoring 
SN  - 0419215905
U1  - 553.4 22
PY  - 1996///
CY  - London ; New York
PB  - E & FN Spon
KW  - Water quality -- Measurement
N1  - Includes index
ER  -