C. Keys

Rotary Wing Aerodynamics

W. Stepniewski, C. Keys, 2022 .

Detailed Aerodynamic Analysis of the RAH-66 FANTAIL™ Using CFD

C. N. Keys, R. Ganesh Rajagopalan, C. Keys, 1997 .

Helicopter Rotor Blade With Free Tip

Matthew H. Cawthorne, R. H. Stroub, C. Keys, 1992 .

Rotary-wing aerodynamics. Volume 2: Performance prediction of helicopters

C. N. Keys, W. Z. Stephniewski, C. Keys, 1979 .

Guidelines for Reducing Helicopter Parasite Drag

Charles N. Keys, Robert Wiesner, C. Keys, 1975 .