@misc{indiciaecc6236a5fe93,
  title = {Seismic cassette recorder (SCR) playback and digitizing system for IBM AT compatible computer},
  author = {W.M. Kohler},
  year = {1990},
  doi = {10.3133/ofr9099},
  url = {https://pubs.usgs.gov/publication/ofr9099},
  note = {Source identifier: ofr9099}
}