@inproceedings{HCI-IDU-2007-Janlert,
	author        = "Lars-Erik Janlert",
	booktitle     = "{Proceedings of the 12th International Conference on Human-Computer Interaction. Part I: Interaction Design and Usability}",
	doi           = "10.1007/978-3-540-73105-4_13",
	isbn          = "978-3-540-73104-7",
	pages         = "117--126",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{The Evasive Interface — The Changing Concept of Interface and the Varying Role of Symbols in Human-Computer Interaction}",
	volume        = 4550,
	year          = 2007,
}