Design of quad-rotor unmanned aerial vehicles 并列题名：Design of quad-rotor unmanned aerial vehicles Fundamentals of multi-rotor unmanned aerial vehicle Design for anti-radiation unmanned aerial vehicle 并列题名：Fundamentals of multi-rotor unmanned aerial vehicle Health management of unmanned aerial vehicles Brief history of unmanned aerial vehicle Handbook of unmanned aerial vehicles Guidance of unmanned aerial vehicles 并列题名：Guidance of unmanned aerial vehicles