SHRAMKO, I. B.; KOROST, I. I.; ZADNIKOV, S. A. THE DEFENSIVE SYSTEM OF THE EASTERN FORTIFICATION OF THE BILSK HILLFORT. Archaeology and Early History of Ukraine, [S. l.], v. 27, n. 2, p. 77–100, 2018. DOI: 10.37445/adiu.2018.02.05. Disponível em: https://adiu.com.ua/index.php/journal/article/view/185. Acesso em: 10 jul. 2026.