| 000 | 00391nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 210422s9999 xx 000 0 und d | ||
| 020 | _a968-36-2295-X | ||
| 041 | _aESPAÑOL | ||
| 082 |
_a _b |
||
| 100 | _aUNIVERSIDAD NACIONAL AUTONOMA DE MEXICO SECRETARIA GENERAL COORDINACION GENERAL DE ESTUDIOS DE POS | ||
| 245 | 0 |
_aESTUDIOS DE POSGRADO. _b |
|
| 260 |
_aMEXICO _bUNAM _c1992 |
||
| 942 | _cBK | ||
| 999 |
_c35381 _d35381 |
||