1. Watanabe E, Watanabe T, Manaka S, Mayanagi Y, Takakura K (1987) Three-dimensional digitizer (neuronavigator): new equipment for computed tomography-guided stereotaxic surgery. Surg Neurol 27:543–547
2. Kelly PJ, Kall BA, Goerss S (1984) Transposition of volumetric information derived from computed tomography scanning into stereotactic space. Surg Neurol 21:465–471
3. Schlondorff G, Mosges R, Meyer-Ebrecht D, Krybus W, Adams L (1989) CAS (computer assisted surgery). A new procedure in head and neck surgery. HNO 37:187–190
4. Benabid AL, Cinquin P, Lavalle S, Le Bas JF, Demongeot J, de Rougemont J (1987) Computer-driven robot for stereotactic surgery connected to CT scan and magnetic resonance imaging. Technological design and preliminary results. Appl Neurophysiol 50:153–154
5. Blamire AM (2008) The technology of MRI – the next 10 years? Br J Radiol 81:601–617