Hetzel, Ella Magdalena. „Craftwork in Roman Cologne – A Microeconomic View on Cluster Structures Regarding Transformation of New Ideas“. In Sessions 2–3, Single Contributions, herausgegeben von Michael Heinzelmann und Martin Bentz, 507–509. Archaeology and Economy in the Ancient World: Proceedings of the 19th International Congress of Classical Archaeology, Cologne/Bonn 2018 53. Heidelberg: Propylaeum, 2022. Zugegriffen Dezember 22, 2024. https://books.ub.uni-heidelberg.de/propylaeum/catalog/book/999/chapter/13381.