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|a 0080210287
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a 594
|b P985b
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|a Purchon, R. D.
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245 |
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|a The biology of the mollusca /
|c R. D. Purchon
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250 |
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|a 2a. ed.
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260 |
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|a New York :
|b Pergamon Press ,
|c 1977
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300 |
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|a xix, 560 páginas :
|b ilustraciones ;
|c 23 cm.
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490 |
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|a International series of monographs in pure and applied biology ;
|v 57
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500 |
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|a Fotocopia. Heredia : BUNA, 1980.
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|a MOLUSCOS
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650 |
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|a MOLLUSCA
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