original |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of spore and pollen analysis |
1962 |
original |
Late Cretaceous |
Late Neogene |
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of the spore and pollen analysis. |
1964 |
original |
Artinskian |
|
India(Orissa) |
Roy,R. et al. Palaeonotology of the Gondwana rocks with a note on the correlation of Coal Seams of Talchir Coal Field, Orissa. |
1967 |