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080728s1984 wau 000 0 spa d |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a SIDUNA
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|a 563.95
|b K47e
|2 22
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|a Keir, Porter M.,
|e autor
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|a Echinoids from the Triassic (St. Cassian) of Italy, their lantern supports, and a revised phylogeny of Triassic ecchinoids /
|c Porter M. Keir.
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| 260 |
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|a Washington, D. C. :
|b Smithsonian Institution Press ,
|c 1984.
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| 300 |
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|a 41 páginas :
|b ilustraciones a color.
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| 336 |
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|a texto
|2 rdacontent
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| 337 |
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|a sin mediación
|2 rdamedia
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| 338 |
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|a volumen
|2 rdacarrier
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|a Smithsonian Contributions to paleobiology ;
|v no.56
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| 650 |
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4 |
|a PALEONTOLOGÍA
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| 651 |
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4 |
|a ITALIA
|