Ostapenko O, Valigura I, Kovalenko A. ENERGY ECOLOGICAL EFFICIENCY OF HEAT PUMPING STATIONS, OPERATING ON NATURAL AND INDUSTRIAL SOURCES OF HEAT AT VARIABLE OPERATION MODES. SWVNTU [інтернет]. 25, Листопад 2015 [цит. за 02, Липень 2026];(2). доступний у: https://works.vntu.edu.ua/index.php/works/article/view/376