@misc{indiciaed6557aac64f7,
  title = {A method for evaluating head-controlled computer input devices using Fitts' law.},
  author = {R G Radwin and G C Vanderheiden and M L Lin},
  year = {1990},
  doi = {10.1177/001872089003200405},
  url = {https://pubmed.ncbi.nlm.nih.gov/2150065/},
  note = {Source identifier: 2150065}
}