Hendrik Witt Ernesto Morales Kluge Studying Input Device Performance: An End-User Driven Experiment in wearIT@work. 9-15 2008 ACHI http://doi.ieeecomputersociety.org/10.1109/ACHI.2008.41 conf/achi/2008 db/conf/achi/achi2008.html#WittK08