@misc{indiciae148f5efb6486,
  title = {Data entry by light pen.},
  author = {G N Kenny and S Madsen and P D Davis},
  year = {1985},
  doi = {10.1016/0020-7101(85)90070-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/3840456/},
  note = {Source identifier: 3840456}
}