Ostapenko, Olga, Vadym Leshcnenko, і Roman Tikhonenko. «Energy Advantages of Application of Steam Compressor Heat Pumps With Electric and Cogeneration Drives». Scientific Works of Vinnytsia National Technical University, no. 1 (Листопад 24, 2015). дата звернення Червень 20, 2026. https://works.vntu.edu.ua/index.php/works/article/view/437.