Miroslav Kubat Doris Flotzinger Gert Pfurtscheller Discovering Patterns in EEG-Signals: Comparative Study of a Few Methods. 366-371 1993 conf/ecml/1993 ECML db/conf/ecml/ecml93.html#KubatFP93 http://dx.doi.org/10.1007/3-540-56602-3_152