Svejvig, Per, Michael Ehlers, Karoline Thorp Adland, Sara Grex, Signe Hedeboe Frederiksen, Martin Malthe Borch, Nicolai Elborough Boston, et al. Project Half Double: Preliminary Results for Phase 1, June 2016. Rapporter. Aarhus, DK: AU Library Scholarly Publishing Services, 2018. Accessed June 24, 2025. https://ebooks.au.dk/aul/catalog/book/278.