@misc{indiciae40bea6a32784,
  title = {EEG frequency analysis in drowsiness and light sleep.},
  author = {J Volavka and S L Last and D E Maynard},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5798783/},
  note = {Source identifier: 5798783}
}