000 00268nam a2200109Ia 4500
008 231107s1994 xx 000 0 und d
041 _aeng
082 _a691.7
100 _aBirde
245 _aWater Supply & Sanitary Engg.
260 _aDelhi
_bDhanpat Rai & Sons
_c1994
999 _c922132
_d922132