000 00287nam a2200121Ia 4500
008 220201s1979 xx 000 0 eng d
082 _a628.1
_bBIR
100 _aBirdi, GS
245 0 _aWater supply & sanitary engineering
260 _bDhanpat Rai
_c1979
300 _a670
942 _2ddc
999 _c81339
_d81339