Sean Gustafson, Daniel Bierwirth, Patrick Baudisch. Imaginary interfaces: spatial interaction with empty hands and without visual feedback. In Ken Perlin, Mary Czerwinski, Rob Miller, editors, Proceedings of the 23rd Annual ACM Symposium on User Interface Software and Technology, New York, NY, USA, October 3-6, 2010. pages 3-12, ACM, 2010. [doi]
Abstract is missing.