1. Baehr, H.D., Stephan, K., 2008. Wärme- und Stoffübertragung, Springer Verlag, 6. Auflage, pp. 480 f.
2. Faghri, A., 1995. Heat pipe science and technology. 1. Washington, Bristol, London, Taylor & Francis, pp. 395 f.
3. Butane heat pipes for stagnation temperature reduction of solar thermal collectors;Föste;Energy Procedia,2015
4. Modelling of two phase closed thermosyphon with emphasize on working fluids and operating limits;Golobič;Heat Pipe Conf. Proc.,1993
5. Jack, S., Katenbrink, N., Schubert, F., 2011. Evaluation methods for heat pipes in solar thermal collectors – test equipment and first results. In: Proceedings ISES Solar World Congress, Kassel. pp. 161–169.