00282pab a2200121 454500008004000000100001700040245002800057260000900085300001300094362001200107650002800119773001300147180718b1971   xxu||||| |||| 00| 0 eng d  aDurairaj, T.  aEnvironmental pollution  c1971  ap.25-30.  aJul-Sep  aEnvironmental pollution  aNagarlok