@inproceedings{CHI-1991-MorchG,
	author        = "Anders I. Mørch and Andreas Girgensohn",
	booktitle     = "{Proceedings of the Ninth ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/108844.109001",
	isbn          = "0-89791-383-3",
	pages         = "457--458",
	publisher     = "{ACM}",
	title         = "{JANUS: basic concepts and sample dialog}",
	year          = 1991,
}