Abstract representations as a basis for usable user interfaces.

Shari Trewin Gottfried Zimmermann Gregg C. Vanderheiden Abstract representations as a basis for usable user interfaces. 477-506 2004 16 Interacting with Computers 3 http://dx.doi.org/10.1016/j.intcom.2004.04.005 db/journals/iwc/iwc16.html#TrewinZV04