1. Aeronautical Design Standard-33E-PRF. (1999). Handling qualities requirements for military rotorcraft. St. Louis, MO: U.S. Army Aviation Systems Command; 1999.
2. Dryfoos, J. B., Kothmann, B. D., & Mayo, J. (1999). An approach to reducing rotor-body coupled-roll oscillations on the RAH-66 comanche using modified roll rate feedback. 55th Annual forum of the American Helicopter Society. Montreal, Canada, June 1999.
3. Hespanha, J. P., & Morse, A. S. (1999). Stability of switched systems with average dwell-time. Proceedings of 38th IEEE conference on decision and control. pp. 2655–2660.
4. Horn, J. (2002). Rotor state feedback for high bandwidth control and structural load limiting. American Helicopter Society flight controls and crew systems technical specialists meeting. Philadelphia, PA, October 2002.
5. Howlett, J. (1989). UH-60A BLACK HAWK engineering simulation program: volume I—mathematical model. NASA CR-177542, USAAVSCOM TR 89-A-001, September 1989.