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| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000090722 | ||
| 100 | _aOtto, Paul B | ||
| 222 | _aSCHOOL SCIENCE AND MATHEMATICS | ||
| 245 | _aOne science, one sex? | ||
| 300 | _a367-372 | ||
| 362 | _a91, No. 8, 1991 | ||
| 505 | _aMayo 1992 | ||
| 653 | 0 | _aCARRERAS CIENTIFICAS | |
| 653 | 0 | _aMUJERES | |
| 653 | 0 | _aSELECCION PROFESIONAL | |
| 904 |
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| 905 | _aArticulo | ||
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