1. A miniaturization of the multi-degree-offreedom ultrasonic actuator using a small cylinder fixed on a substrate;Gouda,2005
2. A novel tiny ultrasonic linear motor using the radial mode of a bimorph;Ko;Sens. Actuators,2002
3. Micro Air Vehicles – Toward a New Dimension in Flight;McMichael,1997
4. Development of the Black Widow Micro Air Vehicle;Grasmeyer,2001
5. Design and Dynamic Modeling Of Autonomous Coaxial Micro Helicopters;Bermes,2019