000 | 00322nam a22001337a 4500 | ||
---|---|---|---|
003 | OSt | ||
008 | 231221b |||||||| |||| 00| 0 eng d | ||
082 |
_a628.1 _bS48W |
||
100 | _aGurcharan Singh | ||
245 | _awater supply and sanitary engineering | ||
260 |
_aStandard , Delhi _c1980 |
||
300 | _a448 | ||
942 |
_2ddc _cBK |
||
999 |
_c34934 _d34934 |