OHAR, V. “CARBONIFEROUS BUILDUPS OF THE DONETS BASIN AND SOME FEATURES OF THEIR FORMATION”. Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 43 (September 30, 2024): 10–14. Accessed February 15, 2026. https://geology.bulletin.knu.ua/article/view/2929.