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|a 9789500005920
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|a AR-CrUNPB
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|a 371.89/F.15
|2 20
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|a Alvarez, Maria Cristina
|e dir.
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|a Argentina.
|b Ministerio de Educación, Ciencia y Tecnología
|9 12711
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|a Ferias de ciencia y tecnologia :
|b creatividad y experimentacion 1967-2007 /
|c Maria Cristina Alvarez
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|a .89
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|a Buenos Aires :
|b El Ministerio,
|c 2007
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|a 187 p
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|a Registros migrados a formato MARC
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650 |
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|a CIENCIA Y TECNOLOGIA
|2 Unescot
|9 2007
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650 |
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|a FERIAS ESTUDIANTILES
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|c BK
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|a ms080527
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|c 74357
|d 74357
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