@inproceedings{HCI-ACS-1993-Friedrich,
	author        = "Peter Friedrich",
	booktitle     = "{Proceedings of the Fifth International Conference on Human-Computer Interaction. Volume 1: Applications and Case Studies}",
	isbn          = "0-444-89540-X",
	pages         = "815--820",
	publisher     = "{Elsevier}",
	title         = "{Production Deviations: Opportunities for User-Based Technological Development}",
	year          = 1993,
}