| details |
Visean |
|
USSR(Bashkir ASSR) |
Teodorovich,G.I. et al. Stratigraphy of the terrigenous deposits of the Lower Carboniferous of Northwest Bashkir |
1960 |
| details |
Visean |
|
USSR(Bashkir ASSR) |
Bludorov,A.P. et al. Coal in the Lower Carboniferous of Northwestern Bashkiria |
1958 |
| details |
Early Visean |
|
USSR(Kalinin) |
Teodorovich,G.I. et al. New data on the stratigraphy and lithology of the terrigenous deposits of the Lower Carboniferous of the Middle Volga Basin |
1958 |
| details |
Visean |
|
USSR(Ulyanov) |
Byvsheva,T.V. The spore-pollen characteristics of the Lower Carboniferous in the Melemess and Buzuluk explora-Tory Drill Holes. |
1957 |
| details |
Visean |
|
USSR(Orenburg) |
Byvsheva,T.V. The spore-pollen characteristics of the Lower Carboniferous in the Melemess and Buzuluk explora-Tory Drill Holes. |
1957 |
| details |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spores. (In: Fauna and flora of Coal deposits of Galicia-Volyn Depression) |
1956 |
| details |
Visean |
|
USSR(Kazakh SSR) |
Ishchenko,A.M. Atlas of microspores and pollen of the Middle Carboniferous Period in the western part of the Donets Basin. |
1952 |