1.
Integral Twist Actuation of Helicopter Rotor Blades for Vibration Reduction
by National Aeronautics And Sp...
ISBN: 9781288915095
List Price: $49.00
2.
Dynamics of Flexible Aircraft : Coupled Flight Mechanics, Aeroelasticity, and Control
by Palacios, Rafael, Cesnik, C...
ISBN: 9781108420600
List Price: $125.00