1. The performance of flat-plate solar-heat collectors;Hottel;ASME Trans.,1942
2. Solar energy collection and its utilization for house heating;Whillier,1953
3. The absorption of radiation in solar stills;Cooper;Solar Energy,1969
4. Thermal Radiation Heat Transfer;Siegel,1972
5. Optical Properties of Thin Solid Films;Heavens,1965