Schäfer C. Seaborne Trade and Field Trials with Roman Vessels on Rhine, Moselle and Danube. In: Schmidts T, Seifert M, Hrsg. New Approaches to Seaborne Commerce in the Roman Empire: Panel 5.17. Archaeology and Economy in the Ancient World: Proceedings of the 19th International Congress of Classical Archaeology, Cologne/Bonn 2018. Propylaeum; 2022:47-54. doi:10.11588/propylaeum.1038.c14309