000 00555nam a2200205Ia 4500
008 170901s1989 xx 000 0 und d
020 _a8170412145
082 _a363.73946
_bC33E
100 _aChhatwal, G. R.
245 0 _aEnvironmental Water Pollution And Its Control
260 _aNew Delhi
_bAnmol Publications Pvt. Ltd.
_c1989
300 _a532
650 _aSocial problems and services
650 _aSocial sciences
653 _aControl
653 _aWater pollution
700 _aKatyal, Mohan
700 _aKatyal, T.
942 _2ddc
_cBK
999 _c4077
_d4077