Gábor Blaskó Steven Feiner Evaluation of an Eyes-Free Cursorless Numeric Entry System for Wearable Computers. 21-28 2006 conf/iswc/2006 ISWC http://dx.doi.org/10.1109/ISWC.2006.286338 db/conf/iswc/iswc2006.html#BlaskoF06