@inproceedings{CHI-2006-ZhaoAH,
	author        = "Shengdong Zhao and Maneesh Agrawala and Ken Hinckley",
	booktitle     = "{Proceedings of the 24th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1124772.1124933",
	isbn          = "1-59593-372-7",
	pages         = "1077--1086",
	publisher     = "{ACM}",
	title         = "{Zone and polygon menus: using relative position to increase the breadth of multi-stroke marking menus}",
	year          = 2006,
}