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| 035 | _aUPN01000066023 | ||
| 100 | _aJIMENEZ REYNOSO, Maria Guillermina | ||
| 222 | _aEDUCACION Y DESARROLLO | ||
| 245 | _aBertrand Russell | ||
| 300 | _a19-24 | ||
| 362 | _a1991 12, Año 13, No. 142 may.-ago. | ||
| 653 | 0 | _aLOGICA | |
| 653 | 0 | _aMATEMATICA | |
| 653 | 0 | _aRUSSELL, BERTRAND, 1872-1970 | |
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_aAC _b003834 |
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| 905 | _aArticulo | ||
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