| details |
Middle Carboniferous |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Atlas of microspores and pollen of the Middle Carboniferous Period in the western part of the Donets Basin. |
1952 |
| details |
Bashkirian |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
| details |
Devonian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
USSR(Kalinin) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |