TY  - BOOK
AU  - PHILIPS, David P H
TI  - Quantitative aquatic biological indicators
T2  - Pollution monitoring series
U1  - 581.5 
PY  - 1980///
CY  - London
PB  - Applied science
KW  - Aquatic ecology
KW  - Ecology
KW  - Organochlorines
KW  - Pollution
KW  - Trace metals
ER  -