TY  - RPRT
TI  - Summary of microfossil investigations, April 1948 to April 1949 with special reference to the south Barrow and Simpson areas
AU  - Helen N. Loeblich
PY  - 1949
DO  - 10.3133/70210418
UR  - https://pubs.usgs.gov/publication/70210418
ID  - 70210418
ER  -