HNÍZDO, B. Basic Theories of Geopolitics. Czech Journal of International Relations, Prague, Czech Republic, v. 29, n. 4, p. 72–79, 1994. DOI: 10.32422/cjir.1387. Disponível em: https://cjir.iir.cz/index.php/cjir/article/view/1387. Acesso em: 23 nov. 2024.