McFarland DJ, Anderson CW, Müller K-R, Schlögl A, Krusienski DJ. BCI Meeting 2005?workshop on BCI signal processing: feature extraction and translation. IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society [Internet]. 2006;14:135?138. http://www.ncbi.nlm.nih.gov/pubmed/16792278

McFarland DJ, Krusienski DJ, Wolpaw J. Brain-computer interface signal processing at the Wadsworth Center: mu and sensorimotor beta rhythms. Progress in brain research [Internet]. 2006;159:411?419. http://www.ncbi.nlm.nih.gov/pubmed/17071245

Wolpaw J, Ramoser H, McFarland DJ, Pfurtscheller G. EEG-based communication: improved accuracy by response verification. IEEE transactions on rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society [Internet]. 1998;6:326?333. http://www.ncbi.nlm.nih.gov/pubmed/9749910