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| 005 | 20220329134511.0 | ||
| 008 | 971013s1972 ar r 00010 spa d | ||
| 010 | _a21246 | ||
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| 035 | _a26311 | ||
| 040 | _cCHAP | ||
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_aBorko, Harold. _913896 |
| 245 | 1 | 0 | _aActualizaciones qué es la ciencia de la información? |
| 500 | _aSobretiro de : Umbral ; (Argentina) 1 (1) : 25-30, 1972 | ||
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_aCiencia de la información. _923138 |
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