TY  - JOUR
A1  - Petters, S. W.
JO  - Contributions from the Cushman Foundation for Foraminiferal Research
IS  - 1
SP  - 37
EP  - 41
C1  - 5(1): 37-41
TI  - Tertiary and upper Cretaceous foraminifera from Colombia, South America. 
UR  - https://cushmanfoundation.allenpress.com/portals/_default/files/pubarchive/CCFFR/05ccffr1.pdf
VL  - 5
PY  - 1954
Y2  - 2026-04-22
ER  -