00345    a2200133   4500020001500000082001600015100001800031245005400049250001200103260003100115300002000146650002800166700001700194  a8123912234  a363.73bAMB  aAmbasht, R.S.  aEnvironment and pollutionban ecological approach  a4th ed.  aNew DelhibCBSc1990g2005  axii,323p.c22cm  aEnvironmental Pollution  aAmbash, P.K.