@inproceedings{CHI-2011-CowanL,
	author        = "Lisa G. Cowan and Kevin A. Li",
	booktitle     = "{Proceedings of the 29th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1978942.1979340",
	isbn          = "978-1-4503-0228-9",
	pages         = "2707--2716",
	publisher     = "{ACM}",
	title         = "{ShadowPuppets: supporting collocated interaction with mobile projector phones using hand shadows}",
	year          = 2011,
}