TY  - RPRT
TI  - Early evolution of Tubulogenerina during the Paleogene of Europe
AU  - T. G. Gibson
AU  - V. Barbin
AU  - A. Poignant
AU  - K. Sztrakos
PY  - 1991
DO  - 10.2113/gsjfr.21.4.299
UR  - https://pubs.usgs.gov/publication/70014961
ID  - 70014961
ER  -