Svejvig, Per, Karoline Thorp Adland, Judith Birte Zippora Klein, Sune Edmund Pedersen, Nina Anker Nissen, and Rasmus Waldemar. 2018. Project Half Double Current Results of Phase 1 and Phase 2, December 2017. Rapporter. Aarhus, DK: Aarhus Universitet. https://doi.org/10.7146/aul.280.195.