1. Design factors influencing solar collector performance;Whillier,1967
2. A model for optimizing solar heating design;Löf,1972
3. Performance correlation of horizontal plastic solar water heaters;Gopffarth;Solar Energy,1968
4. On the intensity of the light reflected from or transmitted through a pile of plates;Stokes,1860
5. The performance of flat-plate solar-heat collectors;Hottel;Trans. Am. Soc. Mech. Engrs,1942