Robin Wolff David J. Roberts Alessio Murgia Norman Murray John Rae William Steptoe Anthony Steed Paul M. Sharkey Communicating Eye Gaze across a Distance without Rooting Participants to the Spot. 111-118 2008 DS-RT http://dx.doi.org/10.1109/DS-RT.2008.28 conf/dsrt/2008 db/conf/dsrt/dsrt2008.html#WolffRMMRSSS08