| details |
Middle Miocene |
|
W.Germany(Hesse) |
Kremp,G.O.W. Pollen analysis of the Brown Coal Seams of Beuern near Giessen. |
1950 |
| details |
Middle Oligocene |
Miocene |
W.Germany(Niedersachsen) |
Kremp,G.O.W. Pollen analysis of Brown Coal in the southern part of Niedersachsen, especially in the Solling. |
1950 |
| details |
Tertiary |
|
W.Germany(Rhineland) |
Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. |
1950 |
| details |
Miocene |
|
Poland |
Kremp,G.O.W. Pollen analysis of the Miocene Brown Coal Bed of Konin on the Warthe River. |
1949 |
| details |
Late Tertiary |
|
Germany(Schleswig) |
Thomson,P.W. Contribution to the micropaleontology and history of Late Tertiary Forests of Niedersachsen and Schleswig-Holstein |
1948 |
| details |
Late Oligocene |
Miocene |
Germany(Brandenburg) |
Thiergart,F. Pollen flora of Brown Coal from the Niederlausitz, especially from the Marga Mine near Senftenberg |
1938 |
| details |
Miocene |
|
E.Germany(Cottbus) |
Thiergart,F. Pollen flora of Brown Coal from the Niederlausitz, especially from the Marga Mine near Senftenberg |
1938 |
| details |
Eocene |
|
W.Germany(Hesse) |
Potonie,R. The microbotany of the Eocene Brown Coal of the Geiseltal. |
1934 |
| original |
Eocene |
|
W.Germany(Hesse) |
Potonie,R. The microbotany of the Eocene Brown Coal of the Geiseltal. |
1934 |
| details |
Miocene |
|
W.Germany(N.Rhine) |
Potonie,R. et al. Microbotany of Miocene Brown Coal from the Niederrheinische Bucht |
1934 |
| original |
Miocene |
|
E.Germany(Cottbus) |
Potonie,R. The microscopic research of Brown Coals.Tertiary pollen forms. |
1931 |