1. Calculation of the top loss coefficient of a flat-plate collector;Agarwal;Solar Energy,1981
2. Simple solar spectral model for direct and diffuse irradiance on horizontal and tilted planes at earth’s surface for cloudless atmosphere;Bird;American Meteorological Society,1986
3. A non-linear flat-plate collector model;Cooper;Solar Energy,1981
4. Solar Energy Thermal Process;Duffie,1974
5. Solar-Thermal Energy System. Analysis and Design;Howell,1982