@misc{indiciaef0417c532c96,
  title = {Notes on BEROQ85 and associated programs (hypocenter location program for use on HP85)},
  author = {J. F. Evernden},
  year = {1980},
  doi = {10.3133/ofr801236},
  url = {https://pubs.usgs.gov/publication/ofr801236},
  note = {Source identifier: ofr801236}
}