@misc{indiciaedf0759f56f7e,
  title = {Crystal VCO center frequency stabilizer},
  author = {E. Gray Jensen},
  year = {1977},
  doi = {10.3133/ofr77184},
  url = {https://pubs.usgs.gov/publication/ofr77184},
  note = {Source identifier: ofr77184}
}