| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Isabella Beds (Laziska Layers) in Trzebinia. |
1930 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Isabella Beds (Laziska Layers) in Trzebinia. |
1930 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Isabella Beds (Laziska Layers) in Trzebinia. |
1930 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Isabella Beds (Laziska Layers) in Trzebinia. |
1930 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Isabella Beds (Laziska Layers) in Trzebinia. |
1930 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Isabella Beds (Laziska Layers) in Trzebinia. |
1930 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Isabella Beds (Laziska Layers) in Trzebinia. |
1930 |
| details |
Paleozoic |
|
USSR(Khakass A.O.) |
Ergalskaya,Z. Description of the microscopicalstructure of the coal of the Dvukharshinny Seam, Chernogorski Mines, Minusinsk Basin, Russia. |
1930 |
| details |
Paleozoic |
|
USSR(Khakass A.O.) |
Ergalskaya,Z. Description of the microscopicalstructure of the coal of the Dvukharshinny Seam, Chernogorski Mines, Minusinsk Basin, Russia. |
1930 |
| details |
Paleozoic |
|
USSR(Khakass A.O.) |
Ergalskaya,Z. Description of the microscopicalstructure of the coal of the Dvukharshinny Seam, Chernogorski Mines, Minusinsk Basin, Russia. |
1930 |
| details |
Paleozoic |
|
USSR(Khakass A.O.) |
Ergalskaya,Z. Description of the microscopicalstructure of the coal of the Dvukharshinny Seam, Chernogorski Mines, Minusinsk Basin, Russia. |
1930 |
| details |
Paleozoic |
|
USSR(Khakass A.O.) |
Ergalskaya,Z. Description of the microscopicalstructure of the coal of the Dvukharshinny Seam, Chernogorski Mines, Minusinsk Basin, Russia. |
1930 |
| details |
Paleozoic |
|
USSR(Khakass A.O.) |
Ergalskaya,Z. Description of the microscopicalstructure of the coal of the Dvukharshinny Seam, Chernogorski Mines, Minusinsk Basin, Russia. |
1930 |
| original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
| original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
| original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
| original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |