@misc{indiciae3c0ddedee46f,
  title = {Description and preliminary testing of the CDSN Seismic Sensor Systems},
  author = {Jon Peterson and Edwin E. Tilgner},
  year = {1985},
  doi = {10.3133/ofr85288},
  url = {https://pubs.usgs.gov/publication/ofr85288},
  note = {Source identifier: ofr85288}
}