| details |
Early Permian |
|
USSR(Yakut ASSR) |
Grausman,V.V. et al. Stratigraphy of Upper Paleozoic deposits of the Vilyuy Synecline |
1987 |
| details |
Late Permian |
|
USSR(Siberia) |
Krugovykh,V.V. Correlation of the Late Paleozoic coal-bearing deposits of the Western Siberian Platform on the basis of palynological evidence. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Kazanian |
|
USSR(Leningrad) |
Faddeeva,I.Z. Palynostratigraphy of Permian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |