1. Noonan, K.W. and Bingham, B.J. "Aerodynamic Characteristics of Three Helicopter Rotor Airfoil Sections from Model Scale to Full Scale at Mach Numbers from 0.35to 0.9," NASA Technical Paper 1701,AVRADCOMTR-80-B-5,1980.
2. Noonan, K. W. and Bingham, B. J. " Two dimensional Aerodynamic Characteristics of Several Rotorcraft Airfoils at Mach Numbersfrom 0.35 to 0.9, "NASATM-X-73990,1977.
3. McAlister, K.W.,Pucci, S.L.,McCroskey,WJ. and Carr,L.W."An Experimental study of Dynamic Stall on AdvancedAirfoil Sections,Volume 2: Pressureand ForceData,"NASATM84245,September 1982.