TY - RPRT TI - Operator functional state classification using multiple psychophysiological features in an air traffic control task. AU - Glenn F Wilson AU - Chris A Russell PY - 2003 DO - 10.1518/hfes.45.3.381.27252 UR - https://pubmed.ncbi.nlm.nih.gov/14702990/ ID - 14702990 ER -