SENN, E. Rezension von: Göhringer, August, Donauversinkung, Aachquelle. Zollerheimat, [S. l.], v. 8, n. 2, p. 16, 1939. DOI: 10.53458/zh.v8i2.12044. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/zh/article/view/12044. Acesso em: 23 juli. 2024.