Citation:
Nacke, L. E. , Kalyn, M. , Lough, C. , & Mandryk, R. L. . (2011). Conference on Human Factors in Computing Systems - Proceedings. In Biofeedback game design: Using direct and indirect physiological control to enhance game interaction. Retrieved from http://www.scopus.com/inward/record.url?eid=2-s2.0-79958125063&partnerID=MN8TOARS