William B. Lathrop, Mary K. Kaiser Perceived Orientation in Physical and Virtual Environments: Changes in Perceived Orientation as a Function of Idiothetic Information Available. [Citation Graph (0, 0)][DBLP] Presence, 2002, v:11, n:1, pp:19-32 [Journal]
Margaret Corbit Building Virtual Worlds for Informal Science Learning (SciCentr and SciFair) in the Active Worlds Educational Universe (AWEDU). [Citation Graph (0, 0)][DBLP] Presence, 2002, v:11, n:1, pp:55-67 [Journal]