TY  - RPRT
TI  - Pulses of middle Eocene to earliest Oligocene climatic deterioration in Southern California and the Gulf Coast
AU  - Norman O. Frederiksen
PY  - 1991
DO  - 10.2307/3514919
UR  - https://pubs.usgs.gov/publication/70016386
ID  - 70016386
ER  -