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|a AR-TrUNPB
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|a 003
|2 20
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|a Langefors, Börje
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| 650 |
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7 |
|a SISTEMAS DE INFORMACION
|2 Unescot
|9 5805
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| 700 |
1 |
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|a Frischknecht, Federico
|e prol
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| 700 |
1 |
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|a Leal, Anibal Carlos
|e tr
|9 9267
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| 245 |
1 |
0 |
|a Teoría de los sistemas de información /
|c Börje Langefors
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| 250 |
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|a 2a ed
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| 260 |
|
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|a Buenos Aires :
|b El Ateneo,
|c 1982
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| 300 |
|
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|a 305 p
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| 490 |
0 |
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|a Computacion
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| 590 |
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|a Registros migrados a formato MARC
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| 942 |
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|c BK
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| 910 |
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|a MF000411
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| 999 |
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|c 8019
|d 8019
|