| details |
Late Neogene |
|
W.Germany(Niedersachsen) |
Kremp,G.O.W. Pollen analysis of Brown Coal in the southern part of Niedersachsen, especially in the Solling. |
1950 |
| details |
Dogger |
|
Europe |
Thiergart,F. The stratigraphic value of Mesozoic pollen and spores |
1949 |
| details |
Dogger |
|
USSR(Pre-Baltic) |
Thiergart,F. The stratigraphic value of Mesozoic pollen and spores |
1949 |
| details |
Late Tertiary |
|
Germany |
Thiergart,F. Anthoceros spores from Early Brown Coals |
1942 |
| details |
Early Miocene |
|
Germany |
Thiergart,F. Anthoceros spores from Early Brown Coals |
1942 |
| details |
Tertiary |
|
Germany |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |