TY  - BOOK
AU  - Walker,C H.
AU  - Hopkin,S P  .
AU  - Sibly,R M  .
AU  - Peakall,D B  .
TI  - Principles of ecotoxicology / 
SN  - 9780849336355
U1  - 577.27 
PY  - 2006///
CY  - New York : 
PB  - Taylor and Francis , 
KW  - POLLUTION-ENVIRONMENTAL ASPECTS
KW  - ENVIRONMENTAL TOXICOLOGY
N1  - Includes bibliographical references, glossary and index
ER  -