1. Evaluation of flat-plate collector performance;Hottel,1958
2. A method of testing for rating solar collectors based on thermal performance;Hill;Solar Energy,1976
3. An experimental facility to test flat-plate solar collectors outdoors;Pott,1976
4. Solar Energy Thermal Processes;Duffie,1979
5. The direct measurements of heat loss from flat-plate solar collectors on an indoor test facility;Symons,1975