PLAČEK, Štěpán. Foreign Guests in ÚMPE. Czech Journal of International Relations, Prague, Czech Republic, v. 2, n. 3, p. 60–61, 1967. DOI: 10.32422/cjir.1253. Disponível em: https://cjir.iir.cz/index.php/cjir/article/view/1253. Acesso em: 23 nov. 2024.