GRÜN, S. 25 Jahre Backnanger Sportparty. Backnanger Jahrbuch, [S. l.], v. 25, p. 234–236, 2017. DOI: 10.53458/bjb.v25i.9870. Disponível em: https://journals.wlb-stuttgart.de/index.php/bjb/article/view/9870. Acesso em: 18 dez. 2024.