TY  - RPRT
TI  - Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and earliest Oligocene of the eastern Gulf Coast
AU  - N. O. Frederiksen
PY  - 1988
DO  - 10.3133/pp1448
UR  - https://pubs.usgs.gov/publication/pp1448
ID  - pp1448
ER  -