Pei X-M, Jeremy Jeremy Hill, Schalk G. Silent Communication: toward using brain signals. IEEE Pulse [Internet]. 2012;3(1):43-6. http://www.ncbi.nlm.nih.gov/pubmed/22344951

Vaughan TM, McFarland DJ, Schalk G, Sarnacki WA, Krusienski DJ, Sellers EW, et al.. The Wadsworth BCI Research and Development Program: At Home with BCI. IEEE Trans Neural Syst Rehabil Eng [Internet]. 2006;14(2):229-33. http://www.ncbi.nlm.nih.gov/pubmed/16792301

Schalk G, Carp JS, Wolpaw J. Temporal transformation of multiunit activity improves identification of single motor units. J Neurosci Methods [Internet]. 2002;114(1):87-98. http://www.ncbi.nlm.nih.gov/pubmed/11850043