- Author:
- Cross,A.T.
- Year:
- 1947
- Title:
- Spore floras of the Pennsylvanian of West Virginia and Kentucky
- Reference:
- Cross,A.T. (1947) Spore floras of the Pennsylvanian of West Virginia and Kentucky Journal of Geology Vol. 55 # 3 P. 285- 308
- Google Academy:
- try to search by title in english