VOGT, E. R. 25 Jahre Backnanger Künstlergruppe. Backnanger Jahrbuch, [S. l.], v. 21, p. 237–238, 2013. DOI: 10.53458/bjb.v21i.9577. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9577. Acesso em: 23 juli. 2024.