TY  - RPRT
TI  - Foraminifera from the Arctic Slope of Alaska; Part 2, Jurassic foraminifera
AU  - Helen Tappan
PY  - 1955
DO  - 10.3133/pp236b
UR  - https://pubs.usgs.gov/publication/pp236B
ID  - pp236B
ER  -