Gordienko, I., V. Gordienko, and O. Zavgorodnyaya. “Geothermal Resources of Ukraine”. Geofizicheskiy Zhurnal 40, no. 5 (November 26, 2018): 269–285. Accessed April 19, 2024. https://journals.uran.ua/geofizicheskiy/article/view/147494.