Jun Gong, Peter Tarasewich. Alphabetically constrained keypad designs for text entry on mobile devices. In Gerrit C. van der Veer, Carolyn Gale, editors, Proceedings of the 2005 Conference on Human Factors in Computing Systems, CHI 2005, Portland, Oregon, USA, April 2-7, 2005. pages 211-220, ACM, 2005. [doi]
Abstract is missing.