00271nam a2200109 a 450000500170000002000150001708200180003210000130005024500560006326000240011930000180014320251203090707.0  a8170242142  a363.7,bD,env  aKumar R.  aEnvironmental pollution and health hazards in India  aDelhibAshishc1987  axi,292p, 22cm