TY - RPRT TI - Cross-correlation of human alpha activity: normative data. AU - E Liske AU - H M Hughes AU - D E Stowe PY - 1967 DO - 10.1016/0013-4694(67)90170-8 UR - https://pubmed.ncbi.nlm.nih.gov/4164630/ ID - 4164630 ER -