Jessen, C., Henriksen, P. S., Hald, M. M., & Ulriksen, J. (2022). The lost landscape of Borgring: Geoarchaeological investigations into the navigation to, and location of, the Danish Viking Age ring fortress. Danish Journal of Archaeology, 10, 1–14. https://doi.org/10.7146/dja.v10i0.121917 (Original work published July 22, 2021)