Bordoni, Stefano. “The Use of Mudbricks and Earth in Modern Umbrian Architectures: A Preliminary Report”. GROMA: Documenting Archaeology 6 (October 10, 2023): 62–75. Accessed December 15, 2025. https://archaeopresspublishing.com/ojs/index.php/groma/article/view/bordoni-use-of-mudbricks-in-modern-umbrian-architectures.