TY  - BOOK
AU  - James, A.
AU  - James,A.
AU  - Evison,Lilian
TI  - Biological indicators of water quality
SN  - 0471275905
U1  - 628.1/61 
PY  - 1979///
CY  - Chichester [Eng.], New York
PB  - Wiley
KW  - Water quality
KW  - Water
KW  - Indicators (Biology)
N1  - "Based on a symposium held in the University of Newcastle [on Tyne] in September 1978."; "A Wiley-Interscience publication."
ER  -