Research on Presence in Virtual Reality: A Survey. - Martijn J. Schuemie; Peter van der Straaten; Merel Krijn; Charles van der Mast (Cyberpsychology Behav. Soc. Netw., 2001)

Do Self-Statements Enhance the Effectiveness of Virtual Reality Exposure Therapy? A Comparative Evaluation in Acrophobia. - Merel Krijn; Paul M. G. Emmelkamp; Ragnar Olafsson; Martijn J. Schuemie; Charles van der Mast (Cyberpsychology Behav. Soc. Netw., 2007)