TROEBST, S. Richard J. Crampton, Eastern Europe in the Twentieth Century; Richard Crampton/Ben Crampton, Atlas of Eastern Europe in the Twentieth Century. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 497–501, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/7640. Acesso em: 1 mai. 2025.