Schalk G, Leuthardt EC, Brunner P, Ojemann JG, Gerhardt LA, Wolpaw J. Real-time detection of event-related brain activity. Neuroimage [Internet]. 2008;43(2):245-9. http://www.ncbi.nlm.nih.gov/pubmed/18718544

Blankertz B, Müller K-R, Curio G, Vaughan TM, Schalk G, Wolpaw J, et al.. The BCI Competition 2003: Progress and perspectives in detection and discrimination of EEG single trials. IEEE Trans Biomed Eng. 2004;51(6):1044-51.