TY  - RPRT
TI  - Sporomorphs from the Jackson Group (upper Eocene) and adjacent strata of Mississippi and western Alabama
AU  - Norman O. Frederiksen
PY  - 1980
DO  - 10.3133/pp1084
UR  - https://pubs.usgs.gov/publication/pp1084
ID  - pp1084
ER  -