@inproceedings{CHI-2004-LawH,
	author        = "Effie Lai-Chong Law and Ebba Þóra Hvannberg",
	booktitle     = "{Proceedings of the 22nd ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/985692.985694",
	isbn          = "1-58113-702-8",
	pages         = "9--16",
	publisher     = "{ACM}",
	title         = "{Analysis of combinatorial user effect in international usability tests}",
	year          = 2004,
}