| details |
Namurian A |
Early Westphalian B |
Czechoslovakia |
DybovЎ,S. et al. Microspore-Zones of the Carboniferous of the Ostrava-Karvina Region |
1957 |
| details |
Westphalian A |
Westphalian B |
Czechoslovakia |
Jachowicz,A. Boundary between Ruda and Orzesze Beds in "Silesia" Coal Mine in view of microspore investigations, (Upper Silesia). (In: Contributions to the Geology of the Silesian and Cracovian Regions.) |
1957 |
| 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 |