| original |
Stephanian |
|
France(Jura) |
Alpern,B. A trial correlation by palynology of the Stephanian Coal Beds cored by four Drillings in the Lons-le-Saunier (Jura) Region. |
1958 |
| original |
Middle Stephanian |
|
France(Allier) |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Stephanian |
|
France |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Westphalian A |
|
Turkey |
Agrali,B. Quantitative palynologic summary of Kozlu Group coal veins and consideration of the age of the "Kilic" Vein Series. |
1974 |