000 00355nam a22001337a 4500
005 20251028101341.0
008 251028b |||||||| |||| 00| 0 eng d
020 _a818014 0296
100 _aSingh ,Singh,J
245 _aWater supply and sanitary engineering
260 _aNa sarak, delhi
_bStandard publisher
_c1999p
300 _a512p;ill
942 _cBK
999 _c25491
_d25491