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Author - title
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| details | Late Namurian | Czechoslovakia | DybovЎ-Jachowiczowa,S. Analysis of the spore content changes in Seam No.8 of the Ludvik Shaft in the Petrswalder Mulde (Ostrava Basin) | 1960 | |
| details | Visean | Czechoslovakia | KalibovЎ-KaiserovЎ,M. Miospores of the Lower Carboniferous in the Krasna-1 borehole. | 1978 |