1. Helicopter Theory;Johnson,1994
2. Principles of Helicopter Aerodynamics;Leishman,2006
3. Differential equations of motion for combined flapwise bending, chordwise bending, and torsion of twisted nonuniform rotor blades;Houbolt,1970
4. Coupled flap-lag-torsional dynamics of hingeless rotor blades in forward flight;Friedmann;J. Am. Helicopter Soc.,1982
5. Aerodynamic characteristics of SC1095 and SC1094 R8 airfoils;Bousman,2003