Helland, Gaute Elvesæter, and Jan Stokstad. “The Reindeer Companies of Southern Norway: Natural Resources, Husbandry, Prerogatives and Challenges (Article in Norwegian and in English)”. Rangifer, vol. 25, no. 3, Apr. 2005, pp. 51-57, https://doi.org/10.7557/2.25.3.1738.