1. AVSCOM, Aeronautical Design Standard (ADS-33D) – Handling Qualities for Military Helicopters, US Army AVSCOM, 1994
2. Stability and flying qualities robustness of a dynamic inversion aircraft control law;Brinker;J. Guidance Control Dynam.,1996
3. Nonlinear control law with application to high angle-of attack flight;Bugajski;J. Guidance Control Dynam.,1992
4. Helicopter adaptive flight control using neural networks;Calise,1994
5. Adaptive output feedback of a class of nonlinear systems;Hovakimyan;Internat. J. Control,2001