NÖLDEKE, Erdmann. Christaller-Biographie. AAeO - Afrikanistik-Aegyptologie-Online, [S. l.], 2006. DOI: 10.18716/ojs/aaeo/2006_3512. Disponível em: https://journals.ub.uni-koeln.de/index.php/AAeo/article/view/3512. Acesso em: 16 may. 2025.