@inproceedings{CHI-1989-KnoxBL,
	author        = "Stephen T. Knox and Wayne A. Bailey and Eugene F. Lynch",
	booktitle     = "{Proceedings of the Seventh ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/67449.67503",
	pages         = "283--287",
	publisher     = "{ACM}",
	title         = "{Directed dialogue protocols: verbal data for user interface design}",
	year          = 1989,
}