TY  - BOOK
AU  - Chapman,Deborah
ED  - World Health Organization.
ED  - United Nations Environment Programme.
ED  - Unesco.
TI  - Water quality assessments: a guide to the use of biora, sediments and water in environmental monitoring 
SN  - 0419215905
PY  - 1996///
CY  - London
PB  - E & FN Spon
KW  - Water quality management
KW  - Water quality biological assessment
KW  - Water-supply
KW  - Water quality
KW  - Measurement
KW  - Water
KW  - Purification
ER  -