@misc{indiciae151e2094b103,
  title = {Geophysics advisor expert system version 2.0},
  author = {G.R. Olhoeft},
  year = {1992},
  doi = {10.3133/ofr92526a},
  url = {https://pubs.usgs.gov/publication/ofr92526A},
  note = {Source identifier: ofr92526A}
}