SEYDER, Medea. Regionalverband Berlin und Brandenburg - Jahresbericht 2019 . o-bib, [S. l.], v. 7, n. 1, p. 1–3, 2020. DOI: 10.5282/o-bib/5590. Disponível em: https://o-bib.de/index.php/bib/article/view/5590. Acesso em: 14 nov. 2026.