PLAČEK, Štěpán. Conference of the Directors of the European Institutes of International Research in Mariánské lázně. Czech Journal of International Relations, Prague, Czech Republic, v. 2, n. 3, p. 52–54, 1967. DOI: 10.32422/cjir.1247. Disponível em: https://cjir.iir.cz/index.php/cjir/article/view/1247. Acesso em: 22 dec. 2024.