| original |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spores. (In: Fauna and flora of Coal deposits of Galicia-Volyn Depression) |
1956 |
| details |
Permian |
|
USSR(Kazakh SSR) |
Chepikov,K.R. et al. Spores and pollen from oils of the Volga-Ural Region and their significance in solving the problem of oil migration. |
1960 |
| details |
Permian |
|
USSR(Ukrainian SSR) |
Chepikov,K.R. New data on microfossils in the crude oils of European USSR. |
1963 |
| details |
Permian |
|
USSR(Moldavian SSR) |
Chepikov,K.R. New data on microfossils in the crude oils of European USSR. |
1963 |
| details |
Namurian |
|
Poland |
Jachowicz,A. New data concerning the occurence of microspores and pollen grains in the Namurian deposits of the north-eastern part of the Upper Silesian Coal Basin. |
1964 |
| details |
Permian |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Sakmarian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
USSR(Krasnoyarsk Kray) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Namurian |
|
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Miospores of the Lower Carboniferous in the Krasna-1 borehole. |
1978 |