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| 005 | 20210219152744.0 | ||
| 008 | 991125a1997 bue 000 0 spa u | ||
| 035 | _aUPN01000060022 | ||
| 245 | 0 | 0 | _aEDUCACION EN CIENCIAS |
| 260 |
_aBuenos Aires : _bUniversidad Nacional de General San MartÃn, _c1997 |
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| 310 | _aIrregular | ||
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_aAC _b000754 |
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| 905 | _aRevista | ||
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