@misc{indiciae24dd5a1155b6,
  title = {Reduction of lithologic-log data to numbers for use in the digital computer},
  author = {C.O. Morgan and J.M. McNellis},
  year = {1971},
  doi = {10.1007/bf02047434},
  url = {https://pubs.usgs.gov/publication/70001540},
  note = {Source identifier: 70001540}
}