TY - RPRT TI - Critical flicker frequency and cortical alpha. AU - A DONDERO AU - P R HOFSTAETTER AU - J P O'CONNOR PY - 1956 DO - 10.1016/0013-4694(56)90012-8 UR - https://pubmed.ncbi.nlm.nih.gov/13330658/ ID - 13330658 ER -