000 00346nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aA.K.DE
245 0 _aEnvironmental Chemistry
250 _a5th Ed
260 _aNew Delhi
260 _bNew Age International Pvt Ltd
260 _c2003
650 _aEnvironmental Chemistry
942 _cBK
999 _c19586
_d19586