1. Historical Overview of V/STOL Aircraft Technology;Anderson,1981
2. Thrust control of VTOL aircraft – part deux;Dugan,2014
3. A Flight Study of the Conversion Maneuver of a Tilt-Duct VTOL Aircraft;Tapscott,1960
4. Transition and Hovering Flight Characteristics of a Tilt-Duct VTOL Research Aircraft;Kelley,1962
5. Tilt duct vertical takeoff and landing uninhabited aerial vehicle concept design study;Armutcuoglu;J. Aircr.,2004