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970813s1931 xxu ||||| eng |
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|a 1135573
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|a Sistema de Bibliotecas de Universidad de Costa Rica
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|a eng
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|a 592
|b B261z2
|2 00
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|a Bassler, Ray S.
|e Autor/a
|4 aut
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|a Shelled invertebrates of the past and present :
|b with chapters on geological history. /
|c By Ray S. Bassler [and others].
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|a Washington :
|b Smithsonian Institution,
|c 1931.
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|a 365 páginas :
|b ilustraciones, láminas (algunas plegables), retr tablas (una plegables) ;
|c 24 cm.
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|a Bibliografía: al final de algunos capítulos.
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|a MOLUSCOS
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650 |
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|a CRUSTACEOS
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|a GEOLOGIA HISTORICA
|x ESTADOS UNIDOS
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|a Reconversión
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