TY  - RPRT
TI  - Latest Oligocene through early middle Miocene diatom biostratigraphy of the eastern tropical Pacific
AU  - John A. Barron
PY  - 1983
DO  - 10.1016/0377-8398(83)90012-9
UR  - https://pubs.usgs.gov/publication/70011645
ID  - 70011645
ER  -