Henderik Alex Proper Alex A. Verrijn-Stuart Stijn Hoppenbrouwers On Utility-based Selection of Architecture-Modelling Concepts. 25-34 2005 conf/apccm/2005 APCCM http://crpit.com/confpapers/CRPITV43Proper.pdf db/conf/apccm/apccm2005.html#ProperVH05