PETERSEN, Klaus Tolstrup. Plebiscite Notgeld from Schleswig 1919-1921: Propaganda or Money-spinner?. Academic Quarter | Akademisk kvarter, [S. l.], v. 10, n. 21, p. 74–89, 2020. DOI: 10.5278/ojs.academicquarter.vi21.6390. Disponível em: https://journals.aau.dk/index.php/ak/article/view/6390. Acesso em: 8 maj. 2024.