Sunyu Hwang, Geehyuk Lee. Qwerty-like 3x4 keypad layouts for mobile phone. In Gerrit C. van der Veer, Carolyn Gale, editors, Extended Abstracts Proceedings of the 2005 Conference on Human Factors in Computing Systems, CHI 2005, Portland, Oregon, USA, April 2-7, 2005. pages 1479-1482, ACM, 2005. [doi]
Abstract is missing.