@misc{indiciae95fe415d1adb,
  title = {Five-day recorder seismic system},
  author = {Ed Criley and Jerry P. Eaton and Jim Ellis},
  year = {1978},
  doi = {10.3133/ofr78266},
  url = {https://pubs.usgs.gov/publication/ofr78266},
  note = {Source identifier: ofr78266}
}