@misc{indiciae8077cd52f512,
  title = {DLGSCOD, DLGOCOD, DLGSGSM, DLGOGSM, programs for IBM-PC compatible microcomputers},
  author = {G.I. Selner and J. D. Hoffman},
  year = {1993},
  doi = {10.3133/ofr93305},
  url = {https://pubs.usgs.gov/publication/ofr93305},
  note = {Source identifier: ofr93305}
}