000 00261nam a2200109Ia 4500
082 _a546.22
_bVEN
100 _aVenkateswarlu, K.
245 _aWater chemistry
260 _aNew Delhi
_bNew Age International ( P ) Ltd.
_c1996
300 _a138p.
650 _aChemistry
999 _c2435
_d2435