KIES, Otfried. Die Wasserversorgung Lauffens vor 1900. Zeitschrift des Zabergäuvereins, [S. l.], n. 2, p. 29–35, 2006. DOI: 10.53458/cd3g9d95. Disponível em: https://journals.wlb-stuttgart.de/index.php/zz/article/view/19461. Acesso em: 11 mar. 2026.