1. Stall/Spin Mitigation Flight Testing with a Subscale Aerobatic Aircraft
2. 2Zimmerman, C. H. “Preliminary Tests in the NACA Free-Spinning Wind Tunnel,” NACA Report 557, 1937.
3. 3Soule, H. A. and Scudder, N. F. “A Method of Flight Measurement of Spins,” NACA Report 377, 1931.