Head-Controlled Racecar for Quadriplegics. - Harry G. Direen; Randal H. Direen; James E. Direen (ACC, 2020)

Software Architecture for a Robust, Multithreaded, Realtime, Control System Used on an Adaptive Racecar. - Harry G. Direen; Randal H. Direen; George York; James E. Direen; Vernon Joseph Brabec; Shanjay Kailayanathan (ECSA, 2025)