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| 035 | _aUPN01000135568 | ||
| 100 | 1 | _aWOO GOMEZ, Guillermo | |
| 240 | 0 | _aLa tecnología alternativa | |
| 245 | 1 | 0 | _aEDUCACION Y DESARROLLO |
| 300 | _a25-34 | ||
| 362 | _a1991 Año 13, vol. 13, no. 142, may.-ago. | ||
| 653 | 0 | _aTECNOLOGIA | |
| 653 | 0 | _$INDUSTRIA | |
| 650 | 2 |
_aDesarrollo científico y tecnológico _912458 |
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