@inproceedings{HCI-IDU-2007-BartneckL,
	author        = "Christoph Bartneck and Michael J. Lyons",
	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_3",
	isbn          = "978-3-540-73104-7",
	pages         = "20--29",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{HCI and the Face: Towards an Art of the Soluble}",
	volume        = 4550,
	year          = 2007,
}