00505nam a2200169 a 450000500170000002000150001708200160003210000180004824500390006626000430010530000250014869000310017396400160020499700130022099900190023395200830025220251203110956.0  a8170353122  a571.95bKUM  aKumar, Arvind  aAquatic environment and toxicology  aNew DelhibDaya Publishing Housec2003  axii,431p.c24cm.bHB  aWater Pollution-Toxicology  bcdefg_  a131742 C  c109381d109381  00104070aPUbPUd2008-11-03g1200.00l0o571.95 KUMp131742q2012-05-01yBK