Susumu Harada Jacob O. Wobbrock Jonathan Malkin Jeff A. Bilmes James A. Landay Longitudinal study of people learning to use continuous voice-based cursor control. 347-356 2009 CHI http://doi.acm.org/10.1145/1518701.1518757 conf/chi/2009 db/conf/chi/chi2009.html#HaradaWMBL09