1. ANSI/ASHRAE Standard 93-2003, 2003. Methods of Testing to Determine Thermal Performance of Solar Collectors, ISSN: 1041-2336, ASHRAE, Inc., 1791 Tullie Circle, Ne, Atlanta, GA30329.
2. Beermann, J., 2007. Performance Testing of Solar Thermal Collectors, Final Project Report, Solar Energy Laboratory, University of Wisconsin – Madison. The test facility was constructed by Tom Kaminski at Madison Area Technical College, Madison, WI.
3. Statistics for Engineers;Box,2005
4. Solar Engineering of Thermal Processes;Duffie,2006
5. European Standard EN12975-2:2001. 2001. Thermal Solar Systems and Components – Solar Collectors – Part 2: Test Methods, CEN, Rue de Stasart, 36, B-1050, Brussels.