000 00319nam a2200121Ia 4500
008 230919s9999 xx 000 0 und d
100 _aGURCHARAN SINGH
245 0 _aWATER SUPPLY AND SANITARY ENGINEERING
250 _a2ND ED 1980
260 _bSTANDARD PUBLICATION
300 _a448
500 _aDONATED BY CIVIL DEPT
999 _c114521
_d114521