Bezrodny, M.K., and D.S. Kutra. “THERMODYNAMIC EFFICIENCY OF RECIRCULATING HEAT PUMP AIR CONDITIONING SYSTEM IN A CLOSED SWIMMING POOL”. Thermophysics and Thermal Power Engineering 38, no. 3 (June 20, 2016): 75-83. Accessed December 1, 2022. https://ihe.nas.gov.ua/index.php/journal/article/view/248.