TY  - BOOK
AU  - Walker, C.H.
AU  - Walker,C.H.
AU  - Peakall,D.B.
AU  - Hopkin,S.P.
AU  - Sibly,R.M.
TI  - Principles of ecotoxicology  - 2nd ed
SN  - 0748409408 (pbk)
U1  - 574.5222 WAL/Pri 
PY  - 2001///
CY  - New York
PB  - Taylor & Francis
KW  - Pollution
N1  - Includes bibliographical references and index
ER  -