Virtual spaces and real world places: transfer of route knowledge. - Bob G. Witmer; John H. Bailey; Bruce W. Knerr; Kimberly C. Parsons (Int. J. Hum. Comput. Stud., 1996)

Presence: Where Are We Now? - Michael J. Singer; Bob G. Witmer (HCI (2), 1997)

Nonvisually Guided Locomotion to a Previously Viewed Target in Real and Virtual Environments. - Bob G. Witmer; Wallace J. Sadowski (Hum. Factors, 1998)

Judging Perceived and Traversed Distance in Virtual Environments. - Bob G. Witmer; Paul B. Kline (Presence Teleoperators Virtual Environ., 1998)

Measuring Presence in Virtual Environments: A Presence Questionnaire. - Bob G. Witmer; Michael J. Singer (Presence Teleoperators Virtual Environ., 1998)

On Selecting the Right Yardstick. - Michael J. Singer; Bob G. Witmer (Presence Teleoperators Virtual Environ., 1999)

VE-Based Training Strategies for Acquiring Survey Knowledge. - Bob G. Witmer; Wallace J. Sadowski; Neal M. Finkelstein (Presence Teleoperators Virtual Environ., 2002)

The Factor Structure of the Presence Questionnaire. - Bob G. Witmer; Christian J. Jerome; Michael J. Singer (Presence Teleoperators Virtual Environ., 2005)