TY  - BOOK
AU  - Chapman, Deborah (ed)
TI  - Water quality assessment: A guide to the use of biota, sediments and water in environmental mornitoring/ed by D.Chapman
SN  - 9780412456107
AV  - TD 365 .W37  
PY  - 1992///
CY  - London
PB  -  Chapman and Hall
KW  - Water Quality Management-Research Methods
ER  -