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| 001 | 42521 | ||
| 008 | 200505s9999 xx 000 0 und d | ||
| 020 | _a92-1-100349-0 | ||
| 040 |
_aEC-QuPUC _bspa |
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| 082 | 0 | 4 | _a020/Un3di/1990 |
| 100 | 1 | _aUnited Nations. Advisory Committee for the Co-ordination of Information Systems | |
| 245 | 0 | _aDirectory of United Nations databases and information service | |
| 250 | _a4a. Ed. | ||
| 260 |
_aNueva York, Estados Unidos _bUnited Nations _c1990 |
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| 300 |
_a484 p. _b _c30 cm |
||
| 650 | 4 | _aBASES DE DATOS | |
| 650 | 4 | _aSERVICIOS DE INFORMACION - NACIONES UNIDAS | |
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_c126087 _d126087 |
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