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| 005 | 20250328024002.0 | ||
| 008 | 250328s9999 xx 000 0 und d | ||
| 082 | _aSEM/0096/410/1994 | ||
| 100 | _aSanchez Martinez, Esperanza | ||
| 245 | 0 | _aConmutación de paquetes / | |
| 260 | _c1994 | ||
| 500 | _a1 | ||
| 500 | _aCirculación y Préstamo | ||
| 700 |
_aCortes Montenegro, Alfonso _easesor |
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| 942 |
_2ddc _cLIBRO |
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| 999 |
_c34932 _d34932 |
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