@inproceedings{HCI-EI-1999-HartsonAWR,
	author        = "H. Rex Hartson and Terence S. Andre and Robert C. Williges and Linda van Rens",
	booktitle     = "{Proceedings of the Eighth International Conference on Human-Computer Interaction. Volume 1: Ergonomics and User Interfaces}",
	isbn          = "0-8058-3391-9",
	pages         = "1058--1062",
	publisher     = "{Lawrence Erlbaum}",
	title         = "{The User Action Framework: A Theory-Based Foundation for Inspection and Classification of Usability Problems}",
	year          = 1999,
}