Edward Clarkson, Kent Lyons, James Clawson, Thad Starner. Revisiting and validating a model of two-thumb text entry. 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 163-166, ACM, 2007. [doi]
Abstract is missing.