TY  - RPRT
TI  - Foraminifera from the Arctic Slope of Alaska; Part 3, Cretaceous Foraminifera
AU  - Helen Tappan
PY  - 1962
DO  - 10.3133/pp236c
UR  - https://pubs.usgs.gov/publication/pp236C
ID  - pp236C
ER  -