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| 005 | 20211222145638.0 | ||
| 008 | 211206b ||||| |||| 00| 0 eng d | ||
| 082 | _a622.31 D19E | ||
| 100 |
_a Das,Samir Kumar _91773 |
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| 245 | _aExplosives,Drilling,and Blasting,Practices in the Mines Including The Metalliferous Mining | ||
| 250 | _a1 | ||
| 260 |
_bSagar Deep Prakashan _aWest Bengal _c2021 |
||
| 300 | _ap.498 | ||
| 650 |
_bBlasting Practices in Surface Mines _91774 |
||
| 650 |
_bTheory of Rock Fragnentation By Blasting _91775 |
||
| 650 |
_bDrills and Drilling _91776 |
||
| 942 | _cBK | ||