Bentz, Martin, and Michael Heinzelmann. “Preface”. In The Impact of Rivers on Ancient Economies: Panel 2.2, edited by Christof Berns and Sabine Huy, vii. Archaeology and Economy in the Ancient World: Proceedings of the 19th International Congress of Classical Archaeology, Cologne/Bonn 2018 4. Heidelberg: Propylaeum, 2021. Accessed May 20, 2024. https://books.ub.uni-heidelberg.de/propylaeum/catalog/book/905/chapter/11766.