Computed Navigation in Cranio-Maxillo-Facial and Oral Head and Neck Surgery: Principles, Indications and Potentials for Telepresence and Teleassistance. - Arne Wagner; Werner Millesi; Franz Watzinger; Michael Truppe; Michael Rasse; Georg Enislidis; Christian Kermer; Rolf Ewers (Virtual Reality: Cognitive Foundations, Technological Issues & Philosophical Implications, 2001)