ACM - affordances
Anders P. Jørgensen
Matthijs Collard
Christian Koch
Lessons from early stages design of mobile applications
It’s worth the hassle!
Wizard-of-Oz prototyping for co-operative interaction design of graphical user interfaces
Comparative analysis of high- and low-fidelity prototypes for more valid usability evaluations of mobile devices
the cost-benefit of self-report methods
Exploring effectiveness of physical metaphor in interaction design