@misc{indiciae5bb17c66903e,
  title = {Effectiveness of a writing system using a computerized long-range optical pointer and 10-branch abbreviation expansion.},
  author = {R O Smith and R Christiaansen and B Borden and D Lindberg and J Gunderson and G Vanderheiden},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2521905/},
  note = {Source identifier: 2521905}
}