@misc{indiciae1e4248a790bd,
  title = {Optical and eye-controlled communication aids.},
  author = {J H ten Kate and B Hepp},
  doi = {10.3109/03091908909030197},
  url = {https://pubmed.ncbi.nlm.nih.gov/2525197/},
  note = {Source identifier: 2525197}
}