Yujin Tsukada, Takeshi Hoshino. Layered touch panel: the input device with two touch panel layers. In Loren G. Terveen, Dennis R. Wixon, editors, Extended abstracts of the 2002 Conference on Human Factors in Computing Systems, CHI 2002, Minneapolis, Minnesota, USA, April 20-25, 2002. pages 584-585, ACM, 2002. [doi]
Abstract is missing.