Expanding touch input vocabulary by using consecutive distant taps.

Seongkook Heo Jiseong Gu Geehyuk Lee Expanding touch input vocabulary by using consecutive distant taps. 2597-2606 2014 CHI https://doi.org/10.1145/2556288.2557234 conf/chi/2014 db/conf/chi/chi2014.html#HeoGL14