SCHÜLE, B. 50 Jahre Akkordeonorchester Backnang. Backnanger Jahrbuch, [S. l.], v. 7, p. 253, 1999. DOI: 10.53458/bjb.v7i.9002. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9002. Acesso em: 3 juli. 2024.