On the free energy of the solar cycles
A Parametric Study of Interplanetary Mission Using Solar Sail
Solar irradiance reference spectra for two solar active levels
Photometry of the full solar disk at the San Fernando Observatory
Aircraft Configuration Improvement Study from Aerodynamic and Structure Standpoints
A Preliminary Study of the Dynamic and Control of the Solar Sail
Conceptual Design of Solar Powered Unmanned Arial Vehicle
Design and Fabrication of Hybrid Vehicle for Disabled Persons
Analysis on Flight Dynamics of Solar UAV with Multiple Propulsion Systems
Effects of Mission Requirements on Primary Parameters of Wing-Sail Solar-Powered Aircraft
The Development of a Small Solar Powered Electric Unmanned Aerial Vehicle Systems