| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c3398 _d3398 |
||
| 003 | Biblioteca INTEMIN | ||
| 005 | 20180529014918.0 | ||
| 007 | Libro | ||
| 008 | 180529b xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEN | ||
| 080 | _a622 | ||
| 100 |
_aPaone, James _97519 |
||
| 245 | _aDrillability studies-laboratory percussive drilling | ||
| 260 |
_aWashington _bBureau of Mines _c1969 |
||
| 300 |
_aii, 18 p. _bil _c26 cm |
||
| 440 |
_aRI _v7300 _97520 |
||
| 650 |
_aborings _97521 |
||
| 650 |
_arocks _94114 |
||
| 650 |
_adrilling equipment _97522 |
||
| 653 | _aRock-drills | ||
| 700 |
_aBruce, William E _97377 |
||
| 700 |
_aMadson, Dick _97523 |
||
| 942 | _cBK | ||