Hetzel, Ella Magdalena: Craftwork in Roman Cologne – A Microeconomic View on Cluster Structures Regarding Transformation of New Ideas, in Heinzelmann, Michael und Bentz, Martin (Hrsg.): Sessions 2–3, Single Contributions, Heidelberg: Propylaeum, 2022 (Archaeology and Economy in the Ancient World: Proceedings of the 19th International Congress of Classical Archaeology, Cologne/Bonn 2018, Band 53), S. 507–509. https://doi.org/10.11588/propylaeum.999.c13381