Chervanyov, I. G., and Ye. O. Varyvoda. 2015. “Application of Geoecological Vulnerability Assessment to Prevention of Emergencies”. Visnyk of V. N. Karazin Kharkiv National University, Series "Geology. Geography. Ecology" 38 (1049), 138-42. https://periodicals.karazin.ua/geoeco/article/view/7685.