Jani Heikkinen Jussi Rantala Thomas Olsson Roope Raisamo Jani Lylykangas Jukka Raisamo Veikko Surakka Teemu Tuomas Ahmaniemi Enhancing personal communication with spatial haptics: Two scenario-based experiments on gestural interaction. 287-304 2009 20 J. Vis. Lang. Comput. 5 http://dx.doi.org/10.1016/j.jvlc.2009.07.007 db/journals/vlc/vlc20.html#HeikkinenRORLRSA09