00000nam a2200000 a 4500 20251203111351.0 9788170353126 577.7 KUM Kumar, Arvind Ed. Aquatic environment and toxicology New Delhi Daya Publishing 2003 - R 2008 xii,431p. 24cm. HB Aquatic environment Toxiclogy _ 150415 C 123393 123393 0 0 0 0 PU PU 2009-10-01 1200.00 0 577.7 KUM 150415 2013-04-13 BK