Ostapenko, O., V. Leshcnenko, і R. Tikhonenko. «Energy Advantages of Application of Steam Compressor Heat Pumps With Electric and Cogeneration Drives». Scientific Works of Vinnytsia National Technical University, вип. 1, Листопад 2015, https://works.vntu.edu.ua/index.php/works/article/view/437.