@misc{indiciaeaf2ccb33a4c3,
  title = {EEG-based communication: improved accuracy by response verification.},
  author = {J R Wolpaw and H Ramoser and D J McFarland and G Pfurtscheller},
  year = {1998},
  doi = {10.1109/86.712231},
  url = {https://pubmed.ncbi.nlm.nih.gov/9749910/},
  note = {Source identifier: 9749910}
}