Височанський, І. В., & Самчук, І. М. (2017). Geological factors in the formation conditions of traps in the Orchyk depression perm deposits of Dnieper-Donets basin. Visnyk of V. N. Karazin Kharkiv National University, Series "Geology. Geography. Ecology", (45), 28-38. Retrieved from https://periodicals.karazin.ua/geoeco/article/view/8178