CHRISTENSEN, Jonas et al. Borgring. Uncovering the strategy for a Viking Age ring fortress in Denmark. Danish Journal of Archaeology, [S. l.], v. 10, p. 1–22, 2022. DOI: 10.7146/dja.v10i0.121920. Disponível em: https://tidsskrift.dk/dja/article/view/121920. Acesso em: 5 dec. 2025.