@misc{indiciae128bacd357af,
  title = {HYPOELLIPSE/VAX; a computer program for determining local earthquake hypocentral parameters, magnitude, and first motion pattern},
  author = {J.C. Lahr},
  year = {1984},
  doi = {10.3133/ofr84519},
  url = {https://pubs.usgs.gov/publication/ofr84519},
  note = {Source identifier: ofr84519}
}