John P. Lawson

Quantitative Measures of Presence in Virtual Environments: The Roles of Attention and Spatial Comprehension

Barry Peterson, Rudy Darken, David Bernatovich, 1999, Cyberpsychology Behav. Soc. Netw..

Spatial Knowledge Acquisition from Maps and Virtual Environments in Complex Architectural Spaces

Simon R. Goerger, Rudolph P. Darken, Joseph Sullivan, 1998 .

Level of presence or engagement in one experience as a function of disengagement from a concurrent experience

John P. Lawson, J. Lawson, 1998 .