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00911nam a2200241 u 4500 |
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000331735 |
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20200515155946.0 |
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160906s1964 xxu ||||| eng |
| 035 |
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|a 113548
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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0 |
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|a eng
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| 082 |
0 |
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|a 551.7
|b C922s
|2 00
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| 100 |
1 |
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|a Cressman, Earle Rupert
|d 1923-
|e Autor/a
|4 aut
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| 245 |
1 |
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|a Stratigraphy and petrology of the Permian rocks of southwestern Montana /
|c by Earle R. Cressman and Roger W. Swanson.
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| 260 |
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|a Washington :
|b U.S. Government Printing Office,
|c 1964.
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| 300 |
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|a vi, 275-569 páginas :
|b ilustraciones ;
|c 29 cm.
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| 490 |
0 |
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|a U.S. Geological Survey. Professional paper
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| 500 |
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|a Geology of Permian rocks in the western phosphate field.
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| 650 |
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|a ESTRATIGRAFIA
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| 650 |
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|a PETROLOGIA
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| 700 |
1 |
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|a Swanson, Roger Warren
|d 1914-
|e Autor/a
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| 949 |
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|a -LM b XB
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| 916 |
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|a Registros del LS-2000
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