Lenhard, Richard, Michal Jakubsky, Milan Malcho, and Jozef Jandacka. “Analysis of Transmission Phenomena in Low-Potential Heat Transport by Heat Pipes in the Deep- Borehole Simulator”. Communications - Scientific letters of the University of Zilina 14, no. 3 (September 30, 2012): 10-16. Accessed April 6, 2026. http://journals.uniza.sk/index.php/communications/article/view/754.