000 00308nam a2200121Ia 4500
008 211209s2002 xx 000 0 und d
020 _a812241401x
041 _aeng
100 _aSINDHU,P.S
245 _aENVIRONMENTAL CHEMISTRY
260 _aNEW DELHI
_bNEW AGE INTERNATIONAL PVT. LTD.
_c2002
300 _a458
999 _c44262
_d44262