00402nam a22001217a 4500020001800000082001700018100001800035245004500053260004600098300000900144650010600153700002100259  a9788122419467  a628.5bANI/E  aAnil Kumar De  aEnvironmental chemistry/cAnil Kumar De   aNew Delhi b New Age Internationalc 2008  a339p  a Pollution -- Air |  | Natural resources aPollution -- Water and noiseaAtmosphere | Waste treatment  a De, Arnab Kumar