@misc{indiciae050da4e43a76,
  title = {Unobstrusive biomedical data-input systems.},
  author = {I D Bross and A R Gregory and C Rathod and D S Bross},
  year = {1973},
  doi = {10.1016/0020-7101(73)90020-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4747169/},
  note = {Source identifier: 4747169}
}