LOCALITE - A Frameless Neuronavigation System for Interventional Magnetic Resonance Imaging Systems. - Klaus Kansy; Peter Wißkirchen; Uwe Behrens; Thomas Berlage; Gernoth Grunst; M. Jahnke; Ralf Ratering; H.-J. Schwarzmaier; F. Ulrich (MICCAI, 1999)