TY  - RPRT
TI  - Guiding principles of USGS methodology for assessment of undiscovered conventional oil and gas resources
AU  - Ronald R. Charpentier
AU  - T. R. Klett
PY  - 2005
DO  - 10.1007/s11053-005-8075-1
UR  - https://pubs.usgs.gov/publication/70028199
ID  - 70028199
ER  -