@inproceedings{HCI-ACS-1993-KorunkaHK,
	author        = "Christian Korunka and K. H. Huemer and B. Karetta",
	booktitle     = "{Proceedings of the Fifth International Conference on Human-Computer Interaction. Volume 1: Applications and Case Studies}",
	isbn          = "0-444-89540-X",
	pages         = "709--714",
	publisher     = "{Elsevier}",
	title         = "{Methodological Aspects of Longitudinal Studies — Experiences from a HCI Study}",
	year          = 1993,
}