@inproceedings{HCI-EI-1999-LeinoRH,
	author        = "Tuula Leino and T. Ristimäki and P. Huuhtanen",
	booktitle     = "{Proceedings of the Eighth International Conference on Human-Computer Interaction. Volume 1: Ergonomics and User Interfaces}",
	isbn          = "0-8058-3391-9",
	pages         = "11--14",
	publisher     = "{Lawrence Erlbaum}",
	title         = "{Computer Usability Problems and Psychological Well-being}",
	year          = 1999,
}