Herrmann, Thomas; Hoffmann, Marcel; Loser, Kai-Uwe; Moysich, K. (2000): Semistructured Models are Surprisingly Useful for User-Centered Design. COOP 2000: Cooperative Systems Design - The Use of Theories and Models. IOS Press. ISBN: 1-58603-042-6. pp. 159-174. Process Modelling. Sophia-Antipolis, February. 23-26 May 2000
