00273pab a2200121 454500008004000000100001600040245003500056260000900091300001300100362000800113650001400121773001600135180718b2009   xxu||||| |||| 00| 0 eng d  aGupta, S.K.  aImpact of cumalative pollution  c2009  ap.13-15.  aJul  aPollution  aKurukshetra