00358nam a2200133 a 450000500170000002000150001708200160003210000160004824500410006426000350010530000250014049000430016570000160020820251203111446.0  a0412435306  a363.73bFOR  aForbes, V.E  aEcotoxicology in theory and practice  aNew YorkbChapman & Hallc1994  axii,247p.c23cm.bHB  aChapman & Hall Ecotoxicology Series. 2  aForbes, T.L