Petrographic approach to the study of organic microfossils from the Irati Subgroup (Permian, Paraná Basin, Brazil)
| Autor: | Calça, Cléber Pereira, Fairchild, Thomas R. |
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| Zdroj: | In Journal of South American Earth Sciences April 2012 35:51-61 |
| Databáze: | ScienceDirect |
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