@misc{indiciaec69e3110b8e6,
  title = {Preliminary catalog of earthquakes in northern Imperial Valley, California, October 1978-December 1978},
  author = {V. Lamanuzzi and C.E. Johnson and P.T. German},
  year = {1979},
  doi = {10.3133/ofr79930},
  url = {https://pubs.usgs.gov/publication/ofr79930},
  note = {Source identifier: ofr79930}
}