000 00321nam a2200133Ia 4500
008 220201s1974 xx 000 0 eng d
082 _a628.1
_bBIR
100 _aBirdi,GS
245 0 _aWater supply and sanitary engineering
250 _a2nd
260 _bDelhi:Dhanpat Rai & sons
_c1974
300 _a180
942 _2ddc
999 _c79910
_d79910