Christensen, J., Daly, A., Henriksen, P. S., Holm, N., Jessen, C., Jørgensen, S., Olesen, L., Olsen, J., Schultz, M. K., Sindbæk, S. M., & Ulriksen, J. (2021). Borgring. Uncovering the strategy for a Viking Age ring fortress in Denmark. Danish Journal of Archaeology, 10, 1–22. https://doi.org/10.7146/dja.v10i0.121920