@misc{indiciae7f70fd46a0f8,
  title = {Eye-controlled communication aids.},
  author = {J H ten Kate and E E Frietman and F J Stoel and W Willems},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/6450877/},
  note = {Source identifier: 6450877}
}