| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c2247 _d2247 |
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| 003 | Biblioteca INTEMIN | ||
| 005 | 20180517102343.0 | ||
| 007 | Publicación seriada | ||
| 008 | 180517b xxu||||| |||| 00| 0 eng d | ||
| 041 | _aInglés | ||
| 080 | _a622.271.6:553.95 (47) | ||
| 100 |
_aFowkes, Richard S. _95650 |
||
| 245 |
_aHydraulic coal mining research: assessment of parameters affecting the cutting rate of bituminous coal _cFowkes, Richard S. |
||
| 260 |
_aWashington _bBureau of mines _c1968 |
||
| 490 |
_aReport Investigation _v7090 |
||
| 650 |
_aminería hidráulica _93551 |
||
| 650 |
_atasa de corte _95651 |
||
| 650 |
_acarbón bituminoso _9536 |
||
| 942 |
_2udc _cCR |
||