Some Cretaceous Echinoids from the Americas : descriptions and illustrations of some Lower and Upper Cretaceous echinoids from Colombia, Ecuador, Mexico, and the United States /
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| Hlavní autor: | |
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| Typ dokumentu: | Kniha |
| Jazyk: | Angličtina |
| Vydáno: |
Washington :
United States Government Printing Office,
1955
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| Edice: | Geological Survey professional paper ;
264-E Shorter contribution to general geology |
| Témata: |
| Fyzický popis: | iii, strana 87-112, 12 stran obrazové přílohy |
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