KYSELEVYCH, L. GLIADIVSKA STRATA: PROBLEMS OF THE ESTABLISHMENT AND VALIDY. Visnyk of Taras Shevchenko National University of Kyiv. Geology, [S. l.], n. 33, p. 36–39, 2025. Disponível em: https://geology.bulletin.knu.ua/article/view/3533. Acesso em: 15 feb. 2026.