Matthew D. Calderwood Jonathan W. Kelly Timothy P. McNamara Bobby Bodenheimer Adding head tracking to desktop virtual reality with the Wii remote as an aid to spatial cognition. 125 2009 APGV http://doi.acm.org/10.1145/1620993.1621019 conf/apgv/2009 db/conf/apgv/apgv2009.html#CalderwoodKMB09