Usability statements and standardisation: Work in progress in ISO. - John Brooke; Nigel Bevan; Fred Brigham; Susan Harker; David Youmans (INTERACT, 1990)

Usability laboratories at Philips: supporting research, development, and design for consumer and professional products. - Govert de Vries; Tedde van Gelderen; Fred Brigham (Behav. Inf. Technol., 1994)