TOFAN, Sorinel, and 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 (December 15, 2012): 68-72. Accessed November 27, 2024. https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/2869.