Design and Evaluation of a System for Microscope-Assisted Guided Interventions (MAGI). - Philip J. Edwards; Andrew P. King; Calvin R. Maurer Jr.; Darryl A. de Cunha; David J. Hawkes; Derek L. G. Hill; Ronald P. Gaston; Michael R. Fenlon; Subhash Chandra; Anthony J. Strong; Christopher L. Chandler; Aurelia Richards; et al. (MICCAI, 1999)