000 00280nam a2200109Ia 4500
008 231107s1994 xx 000 0 und d
041 _aeng
082 _a721.046
100 _aBiyani
245 _aWater Supply & Sanitary Engg. (Zerox )
260 _aDelhi
_bDhanpat Rai & Sons
_c1994
999 _c921128
_d921128