“…Welch et al, 1999; R. B. Welch, Blackmon, Liu, Mellers, & Stark, 1996), VE toolkits (Robinett & Holloway, 1992; Russell M. Taylor II et al, 2001), interaction techniques (Burns et al, 2006; Kohli & Whitton, 2005; Lok, Naik, Whitton, & Brooks, 2003; Mine, 1997a, 1997b; Mine, Jr., & Sequin, 1997), building walk-through applications (Aliaga et al, 1999; Mine & Weber, 1995), scientific visualization applications (Jen et al, 2004; Leech & II, 1992; Marshburn et al, 2005; Ouh-young, Beard, & Brooks, 1989; Qi, Taylor II, Healey, & Martens, 2008; Quammen et al, 2008; Russell M. Taylor II et al, 1993), and locomotion interfaces (Feasel, Whitton, & Wendt, 2008; Peck, Fuchs, & Whitton, 2009; Razzaque, 2005; Usoh et al, 1999). Each of these systems has had real-world evaluation through either controlled user studies or daily use by external clients.…”