1. Saeed, A.S., Younes, A.B., Cai, C., Cai, G.: A survey of hybrid Unmanned Aerial Vehicles. Prog. Aerosp. Sci. 98(1), 91–105 (2018)
2. Cetinsoy, E., et al.: Design and construction of a novel quad tilt-wing UAV. Mechatronics 22(6), 723–745 (2012)
3. Muraoka, K., Okada, N., Kubo, D.: Quad tilt wing VTOL UAV: aerodynamic characteristics and prototype flight test. In: AIAAInfotech@Aerospace Conference, AIAA Paper, 2009–1834 (2009)
4. Muraoka, K., Okada, N., Kubo, D., Sato, M.: Transition flight of quad tilt wing VTOL UAV. In: 28th Congress of the International Council of the Aeronautical Sciences, ICAS 2012–11.1.3, Bonn, Germany (2012)
5. Sato, M., Muraoka, K.: Flight test verification of flight controller for quad tilt wing unmanned aerial vehicle. In: AIAA Guidance, Navigation, and Control Conference, AIAA Paper 2013–5100 (2013)