00408nam a2200133Ia 4500008004100000082001700041100002600058245004300084260005500127300000800182650003300190650002000223653003100243170901s1992    xx            000 0 und d  a363.73bC32P  aChaurasiya, Ram Aasre 0aEnvironmental Pollution And Management  aAllahabadbVohra Publishers and Distributorsc1992  a258  aSocial problems and services  aSocial sciences  aPollution control industry