000 | 00473nab#a2200181#c#4500 | ||
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003 | IEF | ||
005 | 20180219172758.0 | ||
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040 | _aIEF | ||
100 | 1 |
_aAyala Hernández, Juan _92781 |
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245 | _aExploración y explotación de hidrocarburos | ||
260 | _c1993 | ||
650 | 4 |
_aHIDROCARBUROS _945394 |
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773 | 0 |
_tCuadernos de Formacion _g23. Estudios Sectoriales, 17 p. |
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942 | _cART | ||
942 | _z86250 | ||
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_c124761 _d124761 |