@misc{indiciae3cfcb7a56d9f,
  title = {A solid-state ultrasonic activity-recording unit.},
  author = {G McClure and D G Forgays and D G Whitmore},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4780128/},
  note = {Source identifier: 4780128}
}