@misc{indiciaeccece9311f13,
  title = {A method for assessing alertness fluctuations from EEG spectra.},
  author = {M Matousek and I Petersén},
  year = {1983},
  doi = {10.1016/0013-4694(83)90154-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/6185295/},
  note = {Source identifier: 6185295}
}