@misc{indiciaefa11e10a16dc,
  title = {An analog data telemetry system for remote monitoring applications, Version II},
  author = {K.A. McGee},
  year = {1979},
  doi = {10.3133/ofr79946},
  url = {https://pubs.usgs.gov/publication/ofr79946},
  note = {Source identifier: ofr79946}
}