Real-time system for 3D neurosurgical planning. - John C. Goble; John W. Snell; Ken Hinckley; Neal F. Kassell (VBC, 1994)

Two-Handed Spatial Interface Tools for Neurosurgial Planning. - John C. Goble; Ken Hinckley; Randy F. Pausch; John W. Snell; Neal F. Kassell (Computer, 1995)

Model-based boundary estimation of complex objects using hierarchical active surface templates. - John W. Snell; Michael B. Merickel; James M. Ortega; John C. Goble; James R. Brookeman; Neal F. Kassell (Pattern Recognit., 1995)

Segmentation of volumetric medical imagery using multiple geodesic-based active surfaces. - David J. Schlesinger; John W. Snell; Lois E. Mansfield; James R. Brookeman; James M. Ortega; Neal F. Kassell (Image Processing, 1996)