@misc{indiciae99fcccbf157f,
  title = {A suggested rationale and selected bibliography for using rule-based expert computer systems (artificial intelligence) in recurrent petroleum resource assessments},
  author = {W. C. Butler},
  year = {1993},
  doi = {10.3133/ofr9312},
  url = {https://pubs.usgs.gov/publication/ofr9312},
  note = {Source identifier: ofr9312}
}