@inproceedings{HCI-EI-1999-JohnsonC,
	author        = "Reed Johnson and Ed Connolly",
	booktitle     = "{Proceedings of the Eighth International Conference on Human-Computer Interaction. Volume 1: Ergonomics and User Interfaces}",
	isbn          = "0-8058-3391-9",
	pages         = "1123--1127",
	publisher     = "{Lawrence Erlbaum}",
	title         = "{Mobile and Stationary Usability Labs: Technical Issues, Trends and Perspectives}",
	year          = 1999,
}