TY  - RPRT
TI  - Progress report of microfossil investigations, Naval Petroleum Reserve No. 4, 1948
AU  - H.N. Loeblich
PY  - 1954
DO  - 10.3133/ofr54170
UR  - https://pubs.usgs.gov/publication/ofr54170
ID  - ofr54170
ER  -