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|a Sistema de Bibliotecas de Universidad de Costa Rica
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|a Unidad de trabajo para III grado :
|b la energía
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|a CIENCIA
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|7 nnab
|t Vol.9, no.17/18-Vol.10, no.26/29
|g Vol.9, no.22/25
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| 912 |
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|a 10-OCT-2012 - VARGAS ZUÑIGA, SUSAN
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| 917 |
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|a 09-OCT-2012 - VARGAS ZUÑIGA, SUSAN
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| 949 |
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|a -SVZ
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| 916 |
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|a Reconversión
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