@misc{indiciae61179b3cddac,
  title = {A window discriminator, with visual display, suitable for unit recording.},
  author = {R G Dyer and P Beechey},
  year = {1971},
  doi = {10.1016/0013-4694(71)90080-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4111487/},
  note = {Source identifier: 4111487}
}