000 00348nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aB.K.Sharma
245 0 _aEnvironmental Chemistry
250 _a7th Ed
260 _aIndia
260 _bKrishna Prakasham Media (p) Ltd
260 _c2003
650 _aEnvironmental Chemistry
942 _cBK
999 _c19584
_d19584