| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c4267 _d4267 |
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| 003 | Biblioteca INTEMIN | ||
| 005 | 20180612120835.0 | ||
| 007 | Publicación seriada | ||
| 008 | 180612b xxu||||| |||| 00| 0 eng d | ||
| 041 | _aInglés | ||
| 080 | _a622.06 (47) | ||
| 100 |
_aHorino, Frank G. _93240 |
||
| 245 |
_aThe use of rock bolts or wire rope to increase the strength of fractured model pillars _cHorino, Frank G. |
||
| 260 |
_aWashington _bBureau of mines _c1971 |
||
| 490 |
_aReport Investigation _v7568 |
||
| 650 |
_aperno de roca _98549 |
||
| 650 |
_apilar fracturado _98550 |
||
| 650 |
_acuerda de alambre _98551 |
||
| 942 |
_2udc _cCR |
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