| original |
Visean |
|
USSR(Kazakh SSR) |
Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. |
1938 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Tournaisian |
Namurian |
USSR(Kazakh SSR) |
Lyuber,A.A. Atlas of spores and pollen of the Paleozoic deposits of Kazakhstan. |
1955 |
| details |
Early Carboniferous |
|
USSR(Kazakh SSR) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |
| details |
Paleozoic |
|
USSR(Kazakh SSR) |
Lyuber,A.A. Methods for correlation of Coal Beds of some Paleozoic Basins of the USSR |
1937 |
| details |
Visean |
|
USSR(Kazakh SSR) |
Lyuber,A.A. Atlas of spores and pollen of the Paleozoic deposits of Kazakhstan. |
1955 |