HÖVELBORN, E. Zum Tod von Roland Idler (1941 bis 2021). Backnanger Jahrbuch, [S. l.], v. 29, p. 293–294, 2021. DOI: 10.53458/bjb.v29i.10048. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/10048. Acesso em: 26 mai. 2024.