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970828s1968 xxu ||||| spa |
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|a 1180493
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a spa
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|a 574.929
|b B245D
|2 00
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1 |
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|a Bardach, John E.
|e Autor/a
|4 aut
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1 |
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|a Downstream :
|b a natural history of the river
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| 260 |
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|a New York, New York :
|b Bantam,
|c 1968.
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| 300 |
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|a 114 páginas :
|b ilustraciones
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| 650 |
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|a BIOLOGIA DE AGUA DULCE
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| 650 |
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|a RIOS
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| 650 |
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|a CIENCIAS NATURALES
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| 912 |
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|a 19-SEP-2008 - MENDOZA ROJAS, CARMEN
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| 916 |
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|a Reconversión
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