TY  - SER
AU  - Chapman,Deborah
TI  - Water quality assessments: a guide to the use of Biota, sediments and water in environmental monitoring 
SN  - 0419216006
AV  - TD367 .W37 1996
PY  - 1992///
CY  - Taylor & Francis
PB  - UNESCO
KW  - Statistics
KW  - Periodicals
ER  -