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| 008 | 260224s xxu | ||
| 100 | 1 |
_aGhiselin, Dick _911556 |
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| 245 | 0 | 0 | _aRigs drilling on the double |
| 270 | _a12/09/06 ; 15/07/02 | ||
| 300 | _a2 p. | ||
| 773 | 0 |
_tHart's E & P _gVol. 74, Issue 4 (apr. 2001) ; p. 71-73 |
|
| 800 | 1 |
_aGhiselin, Dick _911556 |
|
| 942 | _cARTICULO | ||
| 999 |
_c135019 _d135019 |
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