Paul H. Dietz Bret Harsham Clifton Forlines Darren Leigh William S. Yerazunis Sam Shipman Bent Schmidt-Nielsen Kathy Ryall DT controls: adding identity to physical interfaces. 245-252 2005 conf/uist/2005 UIST http://doi.acm.org/10.1145/1095034.1095075 db/conf/uist/uist2005.html#DietzHFLYSSR05