@misc{indiciaec8f95152af66,
  title = {HYPO71PC; a personal computer version of the HYPO71 earthquake location program},
  author = {W.H. Lee and C.M. Valdes},
  year = {1985},
  doi = {10.3133/ofr85749},
  url = {https://pubs.usgs.gov/publication/ofr85749},
  note = {Source identifier: ofr85749}
}