TY  - RPRT
TI  - A note on petroleum industry exploration efficiency
AU  - Emil D. Attanasi
PY  - 2023
DO  - 10.5547/issn0195-6574-ej-vol5-no3-9
UR  - https://pubs.usgs.gov/publication/70199554
ID  - 70199554
ER  -