@inproceedings{CHI-1989-GillanLR,
	author        = "Douglas J. Gillan and Robert Lewis and Marianne Rudisill",
	booktitle     = "{Proceedings of the Seventh ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/67449.67521",
	pages         = "375--380",
	publisher     = "{ACM}",
	title         = "{Models of user interactions with graphical interfaces: 1. statistical}",
	year          = 1989,
}