1. Häkkinen, J. Vuori, T., and Puhakka, M. Postural Stability and Sickness Symptoms after HMD Use. Proc SMC Symp, 147–152 (2002).
2. Ijsselsteijn, W.J., De Ridder, H., Freeman, J., and Avons, S.E. Presence: Concept, determinants and measurements. Proc SPIE Symp, 3959–3976 (2000).
3. Jasowoski, P. and Verlger, R. Attentional bias towards low intensity stimuli: an explanation of the intensity dissociation between reaction time and temporal order judgments? Consciousness and Cognition 9, 435–456 (2000).
4. Lombard, M., Reich, R.D., Grabe, M.E., Bracken, C.C., and Ditton, T.B. Presence and television: The role of screen size. Human Communication Research 26, 75–98 (2000).
5. Mandryk, R.L. and Inkpen, K.M. Physiological indicators for the evaluation of co-located collaborative play. Proc CSCW Symp, 102–111 (2004).