TY  - BOOK
AU  -  Walker, C. H. 
TI  - Principles of ecotoxicology
SN  - 0-7484-0940-8
U1  - 577.27 
PY  - 2001///
CY  - New York
PB  - Taylor and Francis
KW  - Pollution
KW  - Environmental toxicology
ER  -