@misc{indiciaef69862d1310b,
  title = {Merging of analog and digital data in the Northern California Seismic Network, and characteristics of the principal seismic systems it employs},
  author = {Jerry P. Eaton},
  year = {1995},
  doi = {10.3133/ofr95269},
  url = {https://pubs.usgs.gov/publication/ofr95269},
  note = {Source identifier: ofr95269}
}