| details |
Late Pliocene |
|
W.Germany(Hesse) |
Leschik,G. Microbotanic stratigraphic studies of the Upper Pliocene Browncoal from Buchenau (Hunfeld County). |
1951 |
| details |
Late Pannonian |
|
Hungary |
Nagy,E. Pollen research of the Upper Pannonian Brown Coal Layers of the Matra Mountains. |
1957 |
| details |
Late Pannonian |
|
Hungary |
Nagy,E. Palynological investigations of the Upper Pannonian Brown Coal in the Foot Hills of the Matra Mountains. |
1958 |
| details |
Late Pannonian |
|
Hungary |
Nagy,E. Pollen-analytical investigation of a Hungarian Pliocene Brown Coal. |
1959 |
| details |
Late Neogene |
|
W.Germany(Hesse) |
Herter,G. Palynological research in the Horloff-Graben/ Wetterau in Pliocene/Pleistocene boundary Layers and a (?Prae-Elesterian) Interglacial |
1985 |