@inproceedings{CHI-1990-WalkerS,
	author        = "Neff Walker and John B. Smelcer",
	booktitle     = "{Proceedings of the Eighth ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/97243.97277",
	isbn          = "0-201-50932-6",
	pages         = "221--226",
	publisher     = "{ACM}",
	title         = "{A comparison of selection time from walking and pull-down menus}",
	year          = 1990,
}