Parshukov, Vladimir, Nikolay Efimov, Vladimir Papin, Roman Bezuglov, and Aleksei Ovechkin. “Development of Thermal Installation on the Basis of the Cascade Heat Pump for Ensuring All Thermal and Refrigerating Needs of the Consumer”. Eastern-European Journal of Enterprise Technologies 3, no. 8 (93) (June 14, 2018): 66–72. Accessed April 27, 2024. https://journals.uran.ua/eejet/article/view/133673.