Toshiki Sato, Haruko Mamiya, Hideki Koike, Kentaro Fukuchi. PhotoelasticTouch: transparent rubbery tangible interface using an LCD and photoelasticity. In Andrew D. Wilson, François Guimbretière, editors, Proceedings of the 22nd Annual ACM Symposium on User Interface Software and Technology, Victoria, BC, Canada, October 4-7, 2009. pages 43-50, ACM, 2009. [doi]