@inproceedings{CHI-2011-XinBR,
	author        = "Yizhong Xin and Xiaojun Bi and Xiangshi Ren",
	booktitle     = "{Proceedings of the 29th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1978942.1979066",
	isbn          = "978-1-4503-0228-9",
	pages         = "849--858",
	publisher     = "{ACM}",
	title         = "{Acquiring and pointing: an empirical study of pen-tilt-based interaction}",
	year          = 2011,
}