@misc{indiciaeac7a3680af31,
  title = {15/16 ips Operation of the Precision Instrument Company Model P15100 tape recorder to record the standard (30 Hz) NCER seismic data multiplex system},
  author = {Jerry P. Eaton},
  year = {1976},
  doi = {10.3133/ofr76252},
  url = {https://pubs.usgs.gov/publication/ofr76252},
  note = {Source identifier: ofr76252}
}