00379nam a2200121Ia 4500008004100000082001900041100001800060245003800078260003100116300001000147630002800157650007200185211118s9999||||xx |||||||||||||| ||und|| a623.753bKUM-B aKumer, Arvind 0aBiomonitoring of Sewage Pollution bA.P.H .Pub CoaDelhic2002 a402p. xPost Graduate Reference aIndustrial oils, fats, waxes & gasesvChemical EngineeringChemistry