@inproceedings{CHI-2009-SauroL,
	author        = "Jeff Sauro and James R. Lewis",
	booktitle     = "{Proceedings of the 27th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1518701.1518947",
	isbn          = "978-1-60558-246-7",
	pages         = "1609--1618",
	publisher     = "{ACM}",
	title         = "{Correlations among prototypical usability metrics: evidence for the construct of usability}",
	year          = 2009,
}