SANINA, I. THE COMPLEX ESTIMATION OF ECOLOGICAL STATE OF GEOLOGICAL ENVIRONMENT OF FRONTIER TERRITORIES. Visnyk of Taras Shevchenko National University of Kyiv. Geology, [S. l.], n. 38-39, p. 16–20, 2006. Disponível em: https://geology.bulletin.knu.ua/article/view/3283. Acesso em: 15 feb. 2026.