Design of virtual flight system for evaluation of solar powered UAV. - Joo-Seok Lee; Hyeon-Bo Park; Gu-Young Jung; Kee-Ho Yu (IECON, 2013)

Optimal Path Planning of Solar-Powered UAV Using Gravitational Potential Energy. - Joo-Seok Lee; Kee-Ho Yu (IEEE Trans. Aerosp. Electron. Syst., 2017)