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| 022 | _a0188-6266 | ||
| 245 | 1 | 0 | _aACTA UNIVERSITARIA |
| 260 | _bUniversidad de guanajuato | ||
| 041 | 0 | _aEs | |
| 593 | _a11-01-2011 | ||
| 590 |
_bAquiles Serdan No.924 Centro. Colonia Obregon _cLeon _dC.P. 37320 _eFax:01 (477) 713-69-84 _f01 (477) 713-34-36 _gMexico |
||
| 942 | _cCR | ||
| 999 |
_c128645 _d128645 |
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