Bowman, Douglas A.Johnson, D.Hodges, Larry F.2013-06-192013-06-192001http://hdl.handle.net/10919/20021Testbed Evaluation of Virtual Environment Interaction Techniquestext/htmlenIn CopyrightVirtual environmentsTestbed Evaluation of Virtual Environment Interaction TechniquesTechnical reportTR-01-16http://eprints.cs.vt.edu/archive/00000569/01/hardcopy.html