Sulas, Federica, and Søren M Kristiansen. Soil Micromorphology at the Viking-Age Ring-Fortress of Borgring, Denmark: Analysis of Samples from the East, North and South Gateways. Rapporter. Aarhus, DK: AU Library Scholarly Publishing Services, 2020. Accessed August 12, 2025. https://ebooks.au.dk/aul/catalog/book/386.