@misc{indiciae3076e4b5764a,
  title = {A precision instantaneous frequency meter using integrated circuits.},
  author = {J Millar and T G Barnett},
  year = {1979},
  doi = {10.1016/0165-0270(79)90028-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/544978/},
  note = {Source identifier: 544978}
}