| details |
Tertiary |
|
W.Germany(Rhineland) |
Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. |
1950 |
| details |
Tertiary |
|
W.Germany(Rhineland) |
Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. |
1950 |
| details |
Tertiary |
|
Germany |
Thiergart,F. Coaly preservation Stages of some Asaccate Coniferous pollen of the Tertiary |
1950 |
| details |
Late Neogene |
|
Germany |
Potonie,R. State of the micropaleobotanic stratigraphy of the Tertiary |
1948 |
| 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 |
Tertiary |
|
USA |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
| details |
Late Miocene |
|
Germany |
Thiergart,F. Anthoceros spores from Early Brown Coals |
1942 |
| details |
Nd |
|
Nd |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |