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2. Suski, Victor, “Improved Heavy Truck Aerodynamics, Statement of Need,” American Trucking Associations, Alexandria, VA, 1995.
3. Englar, R. J., Smith M. J., Niebur C. S. and Gregory S. D., “Development of Pneumatic Aerodynamic Concepts for Control of Lift, Drag, and Moments plus Lateral/Directional Stability of Automotive Vehicles,” SAE Paper 960673, Feb. 26-29, 1996. Also published in SAE SP-1145, “Vehicle Aerodynamics: Wind Tunnels, CFD, Aeroacoustics, and Ground Transportation Systems,” pp. 27-38.
4. U. S. Department of Energy, Oak Ridge National Laboratory, “Development and Evaluation of Pneumatic Aerodynamic Devices to Improve the Performance, Economics, Stability and Safety of Heavy Vehicles”, Contract No. 450000555, December 1, 1998 - December, 31, 2001.
5. Englar, Robert J., “Development of Pneumatic Aerodynamic Devices to Improve the Performance, Economy and Safety of Heavy Vehicles,” SAE Paper 2000-01-2208, June 20, 2000.