1. Methods of testing to determine the thermal performance of solar collectors;ASHRAE Standard 93-77,1978
2. Recommendations for European solar collector test methods (liquid heat collectors);Derrick,1980
3. Solar collectors: test method and design guidelines;Gillett,1985
4. The joint solar collector testing programme of the European Community;Aronovitch,1977
5. 1987, Methods of test for the thermal performance of solar collectors;British Standard 6757,1987