L. J. Silverthorn

Trail Rotor V/STOL Aircraft, Features and Applications

McDonnell Douglas Helicopter Co., K. W. Sambell, D. S. JanakiRam, 1990 .

Whirl Mode Stability of the Main Rotor of the YAH-64 Advanced Attack Helicopter

Hughes Helicopters, L. J. Silverthorn, 1982 .

Dynamic Characteristics of Advanced Bearingless Rotors at McDonnell Douglas Helicopter Company

McDonnell Douglas Helicopter Co., L. J. Silverthorn, J. L. Sorensen, 1988 .