BEYER, H. Survey of International Affairs 1955—1956. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 305–305, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/12609. Acesso em: 6 juni. 2025.