@inproceedings{CHI-2010-TuddenhamKI,
	author        = "Philip Tuddenham and David S. Kirk and Shahram Izadi",
	booktitle     = "{Proceedings of the 28th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1753326.1753662",
	isbn          = "978-1-60558-929-9",
	pages         = "2223--2232",
	publisher     = "{ACM}",
	title         = "{Graspables revisited: multi-touch vs. tangible input for tabletop displays in acquisition and manipulation tasks}",
	year          = 2010,
}