TY  - RPRT
TI  - Chemical analysis of 75 crude oil samples from Pliocene sand units, Elk Hills oil field, California
AU  - Peter M. Gerrild
AU  - Robert Joseph Lantz
PY  - 1969
DO  - 10.3133/ofr69105
UR  - https://pubs.usgs.gov/publication/ofr69105
ID  - ofr69105
ER  -