A. L. G. Rode, A.-S. Hansen, P. Svejvig, and M. Ehlers, Project Half Double: results of phase 1 and phase 2 - June 2019. Aarhus, DK: AU Library Scholarly Publishing Services, 2019. Accessed: Jun. 24, 2025. [Online]. Available: https://ebooks.au.dk/aul/catalog/book/326