| 000 | 00468nam a22001697a 4500 | ||
|---|---|---|---|
| 008 | 230627b |||||||| |||| 00| 0 eng d | ||
| 020 | _a9788120404908 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a552.574 _bN2 |
||
| 100 |
_aSingh, N T _9722 |
||
| 245 | _aUnderground winning of coal | ||
| 260 |
_aNew Delhi: _bOxford & IBH Pub. Co., _c1992 |
||
| 300 | _a xi, 687p. | ||
| 650 | _aMinerals | ||
| 653 | _acoal | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c47544 _d47544 |
||