1. Improved Speed Control System for an 87.000 HP Wind Tunnel Drive. NASA TM-106840, 1995.
2. NASA Lewis' 8x6 Transonic Wind Tunnel through Drive System Modifications. NASA CR-198455, 1996.
3. Quality Surveys of the NASA Lewis Research Center 10- by JO-Foot Supersonic Wind Tunnel. NASA CR-97-206326, 1998.
4. IO-by IO-Foot Supersonic Wind Tunnel. NASA TM-105626. 1995.