TOFAN, Sorinel, et Tanase PANAIT. Low Potential Heat Recovery Using Heat Pumps. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 35, no. 4 (décembre 15, 2012): 68-72. Consulté le mai 3, 2025. https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/2869.