@misc{indiciaedafad7e3de8e,
  title = {HYPO71 (revised; a computer program for determining hypocenter, magnitude, and first motion pattern of local earthquakes},
  author = {William Hung Lee and John C. Lahr},
  year = {1975},
  doi = {10.3133/ofr75311},
  url = {https://pubs.usgs.gov/publication/ofr75311},
  note = {Source identifier: ofr75311}
}