BURGEL, J. 80 Jahre Radio-Burgel. Backnanger Jahrbuch, [S. l.], v. 13, p. 243–244, 2005. DOI: 10.53458/bjb.v13i.9231. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9231. Acesso em: 23 juli. 2024.