Pichler, Martin F., Hermann Schranzhofer, Andreas Heinz, and Richard Heimrath. “Potential Performance Enhancement of a Solar Combisystem With an Intelligent Controller”. Journal of Technology Innovations in Renewable Energy 3, no. 3 (August 29, 2014): 107–119. Accessed May 2, 2024. https://www.lifescienceglobal.com/pms/index.php/jtire/article/view/2284.