TY  - RPRT
TI  - Distribution and quantitative assessment of world crude oil reserves and resources
AU  - Charles D. Masters
AU  - David H. Root
AU  - William D. Dietzman
PY  - 1983
DO  - 10.3133/ofr83728
UR  - https://pubs.usgs.gov/publication/ofr83728
ID  - ofr83728
ER  -