1. AS 2984, 1987. Solar water heaters – method of test for thermal performance – outdoor test method. Standards Association of Australia.
2. ASHRAE Standard 95, 1987. Methods of testing to determine the thermal performance of solar domestic water heating systems. American Society of Heating, Refrigeration and Air-Conditioning Engineers, Atlanta, GA.
3. Fanney, A.H., Thomsd, W.C., Scarbrough, C.A., Terlizzi, C.P., 1982. Analytical and experimental analysis of procedures for testing solar domestic hot water systems. Building Science, 140. National Bureau of Standards.
4. Gravity systems worldwide, 2006. Sun & Wind Energy 1, pp. 29–40.
5. International Standard ISO 9459, 1997. International Organization for standardization, 1997. ISO 9459-2, 1995. Solar Heating – domestic water heating systems – part 2: outdoor test methods for systems performance characterization and yearly performance prediction of solar-only systems.