000 00302nam a2200133Ia 4500
008 160316s1998 xxu||||| |||| 00| 0 eng d
020 _a
100 _aSharma,B.K.
245 _aWater Pollution
250 _a2ND REV
260 _aMERRUT
_bKRISHNA PRAKASHAN,MEDIA
_c1998
300 _a312
700 _a
_a
999 _c3875
_d3875