@misc{indiciae879e15f54011,
  title = {A TIME LOCKED, LOW LEVEL CALIBRATOR.},
  author = {J W EMDE},
  year = {1964},
  doi = {10.1016/0013-4694(64)90056-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/14189799/},
  note = {Source identifier: 14189799}
}