| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of spore and pollen analysis |
1962 |
| details |
Eocene |
Pleistocene |
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of the spore and pollen analysis. |
1964 |
| details |
Middle Oligocene |
Early Miocene |
Bulgaria |
Chernyavska,S. Spore-pollen zones in certain Old Tertiary Coal bearing sediments in Bulgaria. |
1970 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Palynological characteristic of Oligocene marine Clays from Varna District. |
1968 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. On the stratigraphy of Paleogene deposits of Bulgaria, (palynological data). |
1973 |
| details |
Middle Miocene |
Late Miocene |
Yugoslavia |
Bokcic,P. Some new data on the geology and sedimentary layers of Pec in the Metohija. |
1972 |
| details |
Late Neogene |
|
Greece |
Blanc-Vernet,L. et al. On the age of the Levantinian formations and the overlying marine beds from the Island of Kos (Dodecanese, Greece). |
1973 |
| details |
Miocene |
Late Neogene |
Turkey |
Akgмn,F. et al. Palynological examination of the Akhisar (Citak) coal deposits |
1987 |