@inproceedings{CHI-2007-VogelB,
	author        = "Daniel Vogel and Patrick Baudisch",
	booktitle     = "{Proceedings of the 25th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1240624.1240727",
	isbn          = "978-1-59593-593-9",
	pages         = "657--666",
	publisher     = "{ACM}",
	title         = "{Shift: a technique for operating pen-based interfaces using touch}",
	year          = 2007,
}