Schneider, M. , Linzen, S.P. , Schiffler, M. , Wunschel, A. , Hein, M. , Roettig, C.-B. , Dunkel, S. , Stolz, R. , Ettel, P. , Meyer, H.-G. and Baumgarten, D. 2015. SQUID-based magnetic prospection in interdisciplinary case studies at possible early and high medieval harbour sites in Germany. Archaeologia Polona. 53, (Jan. 2015), 368–372.