@misc{indiciae659e922cc9a5,
  title = {Instantaneous frequency meter with averaging capability based on interval duration measurement.},
  author = {K Schmid and G Böhmer},
  year = {1985},
  doi = {10.1016/0013-4694(85)90955-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/2578360/},
  note = {Source identifier: 2578360}
}