000 00397nam a2200169Ia 4500
008 131111s9999 xx 000 0 und d
100 _aDe,Anil Kumar
245 _aEnvironmental chemistry
250 _a4th.
260 _aNew Delhi
260 _bNew Age International
260 _c2001
300 _a392p.
650 _aChemistry
_aEnvironmental Chemistry
763 _a23773
942 0 0 _09
999 _c53450
_d53450