@inproceedings{CHI-2013-HachisuK,
	author        = "Taku Hachisu and Hiroyuki Kajimoto",
	booktitle     = "{Proceedings of the 31st ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/2470654.2466187",
	isbn          = "978-1-4503-1899-0",
	pages         = "1411--1420",
	publisher     = "{ACM}",
	title         = "{HACHIStack: dual-layer photo touch sensing for haptic and auditory tapping interaction}",
	year          = 2013,
}