TY  - RPRT
TI  - Planktonic benthonic foraminiferal ratios: Modern patterns and Tertiary applicability
AU  - Thomas G. Gibson
PY  - 1989
DO  - 10.1016/0377-8398(89)90003-0
UR  - https://pubs.usgs.gov/publication/70016064
ID  - 70016064
ER  -