TY  - RPRT
TI  - Affinities of late Eocene spores and pollen grains from southeastern North America
AU  - Norman O. Frederiksen
PY  - 1977
DO  - 10.3133/ofr77691
UR  - https://pubs.usgs.gov/publication/ofr77691
ID  - ofr77691
ER  -