Toss-it: intuitive information transfer techniques for mobile devices. - Koji Yatani; Koiti Tamura; Keiichi Hiroki; Masanori Sugimoto; Hiromichi Hashizume (CHI Extended Abstracts, 2005)

HybridTouch: an intuitive manipulation technique for PDAs using their front and rear surfaces. - Masanori Sugimoto; Keiichi Hiroki (Mobile HCI, 2006)

Toss-It: Intuitive Information Transfer Techniques for Mobile Devices Using Toss and Swing Actions. - Koji Yatani; Koiti Tamura; Keiichi Hiroki; Masanori Sugimoto; Hiromichi Hashizume (IEICE Trans. Inf. Syst., 2006)