Schäfer, Alfred, und Gregor Wagner. „The Past on Its Way to a Digital Future – Urban Archaeology in Cologne“. Classical Archaeology in the Digital Age – The AIAC Presidential Panel: Panel 12.1, herausgegeben von Kristian Göransson, Propylaeum, 2021, S. 23-37, https://doi.org/10.11588/propylaeum.708.c10610.