TY - BOOK AU - Walker C H AU - Hopkin S P AU - Peakall D B AU - Sibly R M TI - Principles of ecotoxicology SN - 084933635X (pbk) U1 - G:50gLX34, P1;P6 PY - 2006/// CY - Boca Raton PB - Talor & Francis KW - Ecotoxicology KW - Enviornmental biology N1 - Appendix 275-276p; Glossary 277-282p; Bibliography 283-303p; Index 305-315p ER -