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| 008 | 260224s2011 xxu | ||
| 245 | 0 | 0 | _aPemex opens exploration to private sector |
| 260 |
_a _b _cabr. 2011 |
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| 270 | _a26/05/2011 ; 26/05/2011 | ||
| 300 | _a1 p. ; 17 | ||
| 581 | _a4 | ||
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_tWorld Oil _g232 |
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_aRach, Nina M. _924877 |
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