Boyarina, N. 2022. Late Pennsylvanian vegetation changes in the Donets Basin: syndynamic aspect. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology". 56 (Jun. 2022), 8-23. DOI:https://doi.org/10.26565/2410-7360-2022-56-01.