| original |
Early Permian |
|
USSR(Ukrainian SSR) |
Inosova,K.I. et al. Atlas of microspores and pollen of Upper Carboniferous and Lower Permian of Donets Basin. |
1976 |
| details |
Early Asselian |
|
USSR(Rostov) |
Inosova,K.I. et al. Miospores. (In: Key section of boundary Carboniferous and Permian Beds of the South of the eastern-European Platform, (Gzhelian and Asselian Stages, Skosyrskaya Borehole N4199) |
1983 |
| details |
Early Permian |
|
USSR(Kazakh SSR) |
Kukhtinova,L.V. et al. Lower Permian palynocomplexes of the terrigenous deposits in the eastern Caspian Depression |
1990 |
| details |
Asselian |
|
USSR(Ukrainian SSR) |
Lankin,I.Y. et al. History of the Permian deposits from the South European Platform Article 3. Contemporary investigations. |
1994 |