GPU accelerated isosurface volume rendering using depth-based coherence. - Colin Braley; Robert Hagan; Yong Cao 003; Denis Gracanin (SIGGRAPH ASIA Posters, 2009)

Evaluating natural interaction techniques in video games. - Ryan P. McMahan; Alexander Joel D. Alon; Shaimaa Y. Lazem; Robert J. Beaton; David Machaj; Michael Schaefer; Mara G. Silva; Anamary Leal; Robert Hagan; Doug A. Bowman (3DUI, 2010)

GPU Assisted Real-Time Isosurface Volume Rendering using Depth Based Coherence and Variance Bricking. - Colin Braley; Robert Hagan; Yong Cao 003; Denis Gracanin (CGVR, 2010)