@misc{indiciae0e7e99c566dc,
  title = {Alphanumerical display module for blind people.},
  author = {D Burger and C Liard},
  year = {1989},
  doi = {10.1007/bf02441494},
  url = {https://pubmed.ncbi.nlm.nih.gov/2601457/},
  note = {Source identifier: 2601457}
}