@inproceedings{CHI-1989-Shneiderman,
	author        = "Ben Shneiderman",
	booktitle     = "{Proceedings of the Seventh ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/67449.67509",
	pages         = "309--310",
	publisher     = "{ACM}",
	title         = "{Human-computer interaction lab, University of Maryland}",
	year          = 1989,
}