000 | 00451nam a22001457a 4500 | ||
---|---|---|---|
003 | OSt | ||
008 | 090807t xxu||||| |||| 00| 0 eng d | ||
082 | _a627.81.05:550.822 | ||
110 | _aIndian standards institution | ||
240 | _aIndian standard | ||
245 | _aCode of practice for diamond core drilling for site investigation for river valley projects | ||
260 |
_aNewDelhi _bIndian standards institution _c1973 |
||
653 | _aIS:6926-1973 | ||
942 | _cISI | ||
999 |
_c336269 _d336269 |