@inproceedings{CHI-2012-ZhangZF,
	author        = "Xinyong Zhang and Hongbin Zha and Wenxin Feng",
	booktitle     = "{Proceedings of the 30th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/2207676.2208737",
	isbn          = "978-1-4503-1015-4",
	pages         = "3185--3194",
	publisher     = "{ACM}",
	title         = "{Extending Fitts’ law to account for the effects of movement direction on 2d pointing}",
	year          = 2012,
}