000 00319nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a540 sin
100 _aSindhu, P.S
245 0 _aEnvironmental Chemistry
245 0 _dII
260 _aNEW DELHI
260 _b NEW AGE
260 _c2003
650 _aChemistry
999 _c117893
_d117893