@inproceedings{CHI-2009-WobbrockMW,
	author        = "Jacob O. Wobbrock and Meredith Ringel Morris and Andrew D. Wilson",
	booktitle     = "{Proceedings of the 27th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1518701.1518866",
	isbn          = "978-1-60558-246-7",
	pages         = "1083--1092",
	publisher     = "{ACM}",
	title         = "{User-defined gestures for surface computing}",
	year          = 2009,
}