CHKHATARASHVILI, Guram. New Data of Obsidian Procurement and Mobility of Ancient Humans. BLACK SEA REGION AT THE CROSSROADS OF CIVILIZATIONS, [S. l.], v. 3, n. I, p. 47–60; 61, 2025. DOI: 10.61671/bsrcc.v3iI.10222. Disponível em: https://nbi.openjournals.ge/index.php/nbi/article/view/10222. Acesso em: 19 dec. 2025.