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| 005 | 20250425161453.0 | ||
| 008 | 250425s9999 xx 000 0 und d | ||
| 041 | _aspa | ||
| 082 | _a338.27282 | ||
| 110 | _aUNIVERSIDAD CENTRAL DE ECUADOR | ||
| 245 | 0 | _aPOLITICA PETROLERA ECUATORIANA 1972-1976 | |
| 250 | _a1A ED. | ||
| 260 |
_aEcuador _bUNIVERSIDAD CENTRAL _c1976 |
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| 260 | _aS.L. | ||
| 300 | _a222 | ||
| 942 | _c01 | ||
| 010 | _a21049 | ||
| 999 |
_c209910 _d209910 |
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