TY  - RPRT
TI  - A suggested rationale and selected bibliography for using rule-based expert computer systems (artificial intelligence) in recurrent petroleum resource assessments
AU  - W. C. Butler
PY  - 1993
DO  - 10.3133/ofr9312
UR  - https://pubs.usgs.gov/publication/ofr9312
ID  - ofr9312
ER  -