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3. Is low flow operation an advantage for solar heating systems?;Furbo;Proceedings of the ISES Solar World Congress Hamburg, Germany, Bloss, W.H. and Pfisterer, F., Pergamon Press, Oxford,1987
4. A review of low-flow stratified-tank solar water heating system;Hollands;Solar Energy,1989
5. Improved design of mantle tanks for small low flow SDHW systems;Furbo;International Journal of Energy Research,2006