Perspektivy středoevropské bezpečnosti. Czech Journal of International Relations, Prague, Czech Republic, v. 28, n. 3, p. 10–16, 1993. DOI: 10.32422/cjir.1691. Disponível em: https://cjir.suma.software/index.php/cjir/article/view/1691. Acesso em: 12 jan. 2026.