1. Evaluation of Flat Plate Solar Collector Performance;Hottel,1958
2. The Derivation of Several Plate-Efficieney Factors Useful in the Design of Flat-Plate Solar Heat Collectors;Bliss;Solar Energy,1959
3. The Performance of Flat Plate Solar-Heat Collectors;Hottel;Trans. Am. Soc. Mech. Engr.,1942
4. Radiation, Convection and Conduction Coefficients in Solar Collectors;Tabor;Bull. of Res. Co. of Israel, Section C, Technology,1958
5. Plastic Covers for Solar Heat Collectors;Whillier;Solar Energy,1963