000 00288nam a2200121Ia 4500
008 220201s1980 xx 000 0 eng d
082 _a628.1
_bGUR
100 _aGurucharan Singh
245 0 _aWater supply & sanitary engg
260 _bStandard Pub
_c1980
300 _a448
942 _2ddc
999 _c82073
_d82073