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080728s1979 000 0 spa d |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 574.976.494
|b B615b
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| 245 |
0 |
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|a Biological investigations in the Guadalupe Mountains Nacional Park, Texas /
|c edited by Hugh H. Genoways, Robert J. Backer
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| 260 |
|
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|a Washington :
|b National Park Service ,
|c 1979
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| 300 |
|
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|a xvolmenesi, 442 páginas :
|b ilustraciones ;
|c 23 cm.
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| 490 |
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|a proceeding and transactions series ;
|v 4
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| 504 |
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|a Incluye bibliografias
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| 650 |
0 |
4 |
|a HISTORIA NATURAL
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| 650 |
0 |
4 |
|a PARQUES NACIONALES
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| 650 |
0 |
4 |
|a ESTADOS UNIDOS DE AMERICA
|