| link
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From
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To
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Geolocation
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Author - title
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Year
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| details | Carboniferous | Permian | Czechoslovakia | KalibovЎ-KaiserovЎ,M. Note on palynological research in the Permo-Carboniferous Basins of Bohemia. | 1955 |
| details | Carboniferous | Permian | Czechoslovakia | KalibovЎ-KaiserovЎ,M. Palynological studies in the Coal Basins of Kladno and Rakovnik. | 1956 |