Evaluation of autonomy in recent ground vehicles using the autonomy levels for unmanned systems (ALFUS) framework. - George T. McWilliams; Michael A. Brown; Ryan D. Lamm; Christopher J. Guerra; Paul A. Avery; Kristopher C. Kozak; Bapiraju Surampudi (PerMIS, 2007)

Real-Time Passive Tracking for Multi-Touch Medical Modeling and Simulation. - Christopher J. Guerra; Matthew Hackett; John T. Carrola Jr.; Warren C. Couvillion Jr.; David R. Chambers; Sapna A. Desai (MMVR, 2014)