Hinterberger T, Widman G, Lal TN, Jeremy Jeremy Hill, Tangermann M, Rosenstiel W, Elger C, et al.. Voluntary brain regulation and communication with electrocorticogram signals. Epilepsy Behav [Internet]. 2008;13(2):300-6. http://www.ncbi.nlm.nih.gov/pubmed/18495541

Schalk G, McFarland DJ, Hinterberger T, Birbaumer N, Wolpaw J. BCI2000: a general-purpose brain-computer interface (BCI) system. IEEE Trans Biomed Eng. 2004;51(6):1034-43.