Jessen C, Henriksen PS, Hald MM, Ulriksen J. The lost landscape of Borgring: Geoarchaeological investigations into the navigation to, and location of, the Danish Viking Age ring fortress. DJA [Internet]. 11. januar 2022 [henvist 5. december 2025];10:1-14. Tilgængelig hos: https://tidsskrift.dk/dja/article/view/121917