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120522s1976 xxua g 000 0 spa d |
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|a AR-LpUBP
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| 110 |
2 |
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|a U. S. Information Service
|9 54938
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| 245 |
1 |
0 |
|a Educación
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| 260 |
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|a Washington :
|b Servicio Cultural e Informativo de los Estados Unidos,
|c 1976?.
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| 300 |
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|a 4, 52 p. :
|b il. ;
|c 27 cm.
|
| 490 |
0 |
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|a Ser. sobre problemas contemporáneos ;
|v 6
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| 500 |
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|a Seleciión de artículos aparecidos en facetas v. 5 y 6, 1972-1973
|
| 650 |
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4 |
|a EDUCACION
|9 1453
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| 942 |
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|c BK
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| 952 |
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|d 2023-07-10
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|y BK
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| 999 |
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|c 71795
|d 71795
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| 988 |
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|c 34
|d Miguel Kiperszmid
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| 997 |
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|z a
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