SULAS, Federica; KRISTIANSEN, Søren M. Soil micromorphology at the Viking-Age ring-fortress of Borgring, Denmark: Analysis of samples from the East, North and South Gateways. Aarhus, DK: Aarhus Universitet,2020. DOI: 10.7146/aul.386. Disponível em: https://openbooks.kb.dk/au/catalog/book/386. Acesso em: 18 feb. 2026.