000 00314pab a2200145 454500
008 180718b1989 xxu||||| |||| 00| 0 eng d
100 _aSingh, P.R.
245 _aProblem of environment
260 _c1989
300 _a43-5
362 _aJul.
650 _aEnvironment
773 _aCivic Affairs
909 _a7702
999 _c7702
_d7702