TY - RPRT TI - A method for assessing alertness fluctuations from EEG spectra. AU - M Matousek AU - I Petersén PY - 1983 DO - 10.1016/0013-4694(83)90154-2 UR - https://pubmed.ncbi.nlm.nih.gov/6185295/ ID - 6185295 ER -