| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c3999 _d3999 |
||
| 003 | Biblioteca INTEMIN | ||
| 005 | 20180604181250.0 | ||
| 007 | ta | ||
| 008 | 180527b xxu||||| |||| 00| 0 eng d | ||
| 041 | _ainglés | ||
| 080 | _a622 | ||
| 100 |
_aBrook, Parkman T. _93547 |
||
| 245 |
_aGeologic and ground-control aspects of an experimental shortwall operation in the upper Ohio Valley _cBrook, Parkman T.; McDonald, W. Richard |
||
| 260 |
_aWashington _bBureau of mines _c1975 |
||
| 300 | _a9 p. | ||
| 440 |
_aRI 8113 _97181 |
||
| 650 |
_aMINERIA _93338 |
||
| 650 |
_aMINING _92163 |
||
| 653 | _aCORTE ELECTROQUIMICO | ||
| 653 | _aSUBPRODUCTOS | ||
| 653 | _aELECTROCHEMICAL CUTTING | ||
| 653 | _aBY-PRODUCTS | ||
| 700 |
_aMcDonald, W. Richard _98240 |
||
| 942 |
_2udc _cCR |
||