Katsuhiko Hamada, Hiromu Mori, Hiroyuki Shinoda, Tomasz M. Rutkowski. Airborne Ultrasonic Tactile Display BCI. In Christoph Guger, Gernot R. Müller-Putz, Brendan Z. Allison, editors, Brain-Computer Interface Research - A State-of-the-Art Summary 4. Springer Briefs in Electrical and Computer Engineering, pages 57-65, Springer, 2015. [doi]
Abstract is missing.