Daniel Vogel, Patrick Baudisch. Shift: a technique for operating pen-based interfaces using touch. In Mary Beth Rosson, David J. Gilmore, editors, Proceedings of the 2007 Conference on Human Factors in Computing Systems, CHI 2007, San Jose, California, USA, April 28 - May 3, 2007. pages 657-666, ACM, 2007. [doi]
Abstract is missing.