EEG coherence has structure in the millimeter domain: subdural and hippocampal recordings from epileptic patients. - Bullock,T.H.; McClune,M.C.; Achimowicz,J.Z.; Iragui-Madoz,V.J.; Duckrow,R.B.; Spencer,S.S. (Electroencephalogr Clin Neurophysiol, 1995)