00278pab a2200121 454500008004000000100001700040245004600057260000900103300000900112362000800121650001600129773001100145180718b1998   xxu||||| |||| 00| 0 eng d  aMani, Dinesh  aTrace elements and environmental problems  c1998  ap.22  aMar  aEnvironment  aYojana