Chan, L.-W.L.-W.ChanKao, H.-S.H.-S.KaoChen, M.Y.M.Y.ChenLee, M.-S.M.-S.LeeHsu, J.J.HsuYEN-YANG CHENMING-SUI LEEYUNG-JEN HSUYI-PING HUNG2018-09-102018-09-102010http://www.scopus.com/inward/record.url?eid=2-s2.0-77953968421&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/357304Touching the void: Direct-touch interaction for intangible displaysconference paper10.1145/1753326.1753725