| details |
Visean |
|
USSR(Bashkir ASSR) |
Teodorovich,G.I. et al. Stratigraphy of the terrigenous deposits of the Lower Carboniferous of Northwest Bashkir |
1960 |
| details |
Early Visean |
|
USSR(Saratov) |
Loginova,A.M. On the stratigraphy of the Yasnopolyansky Substage of the Saratov-Stalingrad Volga area |
1959 |
| details |
Early Visean |
|
USSR(Stalingrad) |
Loginova,A.M. On the stratigraphy of the Yasnopolyansky Substage of the Saratov-Stalingrad Volga area |
1959 |
| details |
Visean |
|
USSR(Bashkir ASSR) |
Bludorov,A.P. et al. Coal in the Lower Carboniferous of Northwestern Bashkiria |
1958 |
| details |
Late Tournaisian |
|
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 |
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 |