TY  - BOOK
AU  - Walker C H
AU  - S P Hopkin
AU  - R M Sibly etal.
TI  - Principles of ecotoxicology
SN  - 0748409408
U1  - 571.95 
PY  - 2001///
CY  - New York
PB  - Taylor and francis group
KW  - Pollutants
KW  - Biomarkers
KW  - Toxicity testing
ER  -