| 000 | 00522nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230608b |||||||| |||| 00| 0 eng d | ||
| 020 | _a0-87849-059-0 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a622(082.2) _bM7 |
||
| 245 |
_aMining science & technology _c/ Proceedings of the International Symposium on Mining Technology and Science, September 1985 |
||
| 260 |
_aChina: _bChina Coal Industry publishing House, _c1987 |
||
| 300 | _aix, 1413p. | ||
| 650 | _aGeology | ||
| 942 |
_2udc _cPR |
||
| 999 |
_c40795 _d40795 |
||