JARMUSKE, G. 60 Jahre Film-Foto-Gruppe Backnang. Backnanger Jahrbuch, [S. l.], v. 25, p. 225–226, 2017. DOI: 10.53458/bjb.v25i.9867. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9867. Acesso em: 22 juli. 2024.