Sheldon Anderson, A Cold War in the Soviet Bloc. Polish - East German Relations 1945-1962. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 51, n. 2, p. 269–270, 2002. DOI: 10.25627/20025127771. Disponível em: https://openjournals.osmikon.de/zfo/article/view/7771. Acesso em: 16 sep. 2026.