@misc{indiciaea7c100394bc5,
  title = {A digital ratemeter system for rectilinear scanning.},
  author = {R Sear and P M Dean and G H Simmons and J G Kereiakes},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5580855/},
  note = {Source identifier: 5580855}
}