@inproceedings{CHI-2004-RyokaiMI,
	author        = "Kimiko Ryokai and Stefan Marti and Hiroshi Ishii",
	booktitle     = "{Proceedings of the 22nd ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/985692.985731",
	isbn          = "1-58113-702-8",
	pages         = "303--310",
	publisher     = "{ACM}",
	title         = "{I/O brush: drawing with everyday objects as ink}",
	year          = 2004,
}