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| 245 | 0 | 0 | _aCNX gas drills record marcellus shale well |
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_a _b _c19 enero 2009 |
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| 270 | _a2009-02-13 ; 2009-02-13 | ||
| 300 | _a5 p. ; 51-55 | ||
| 581 | _a3 | ||
| 773 | 0 |
_tOil & Gas Journal _g107 |
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_aRach, Nina M. _924877 |
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