A review of the stratigraphy and stratigraphic nomenclature of the Dunkard Group in West Virginia and Pennsylvania, USA
| Autor: | Fedorko, Nick, Skema, Viktoras |
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| Zdroj: | In International Journal of Coal Geology 1 November 2013 119:2-20 |
| Databáze: | ScienceDirect |
| Externí odkaz: |
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Full Text from ScienceDirect