| original |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Eocene |
Early Oligocene |
W.Germany(Hesse) |
Sittler,C. The Paleogene of the Rhine and Rhone drainages. Sedimentary and paleoclimatical studies. |
1965 |
| details |
Middle Eocene |
|
Hungary |
Kedves,M. Palynological studies on Hungarian Early Tertiary deposits. |
1969 |
| details |
Early Paleocene |
|
USSR(Kazakh SSR) |
Panova,L.A. et al. Palynostratigraphy of Paleogene deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |