000 00296nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aBhatia (HS)
245 0 _aTextbook on environmental pollution and control1998
260 _bGalgotia pub.
260 _c1998
365 _b250
942 _cBK
999 _c221441
_d221441