Crumlin-Pedersen, O. 1986. Aspects of Viking-Age Shipbuilding: In the Light of the Construction and Trials of the Skuldelev Ship-Replicas Saga Siglar and Roar Ege. Journal of Danish Archaeology. 5, (Jun. 1986), 209–228. DOI:https://doi.org/10.1080/0108464X.1986.10589968.