| original |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Upper Eocene spores from Brown Coals in eastern Bulgaria. |
1966 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Characteristics of the spore and pollen assemblages from the Upper Eocene Coals in eastern Bulgaria |
1967 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Fossil spores and pollen grains of the Priabonian Coal Basins in Bulgaria and their climatic interpretation. |
1967 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Spore-pollen zones in certain Old Tertiary Coal bearing sediments in Bulgaria. |
1970 |
| details |
Middle Eocene |
Late Eocene |
Bulgaria |
Chernyavska,S. Palynology of the Coal-bearing sediments in the area of the village of Pchelarova, Eastern Rhodope |
1973 |
| details |
Eocene |
|
Bulgaria |
Chernyavska,S. On the stratigraphy of Paleogene deposits of Bulgaria, (palynological data). |
1973 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Spore and pollen characteristics of Coal-bearing sediments in the vicinity of the village Pchelarovo, East Rodopi. |
1973 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria |
1977 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria. |
1977 |
| details |
Early Paleogene |
|
USSR(Ukrainian SSR) |
Zaklinskaya,E.D. On problems of modern palynology. |
1981 |
| details |
Eocene |
|
Bulgaria |
Kalvacheva,R.K. Paleopalynology. |
1982 |
| details |
Barremian |
Aptian |
North Korea |
Jiang,D.-X. et al. Early Cretaceous Palynoflora from Anchow Basin, Korea. |
1996 |
| details |
Bartonian |
|
Greece |
Zagorchev,I.S. Pre-Priabonian Palaeogene Formations in Southwestern Bulgaria a northern Greece: stratigraphy and tectonic implications |
1998 |
| details |
Bartonian |
|
Bulgaria |
Zagorchev,I.S. Pre-Priabonian Palaeogene Formations in Southwestern Bulgaria a northern Greece: stratigraphy and tectonic implications |
1998 |
| details |
Priabonian |
|
Bulgaria |
Palamarev,E. et al. Study of Bulgarian Tertiary flora palaeoecological and other biostratigraphic aspects in comparison with other Europen flora |
1998 |