Lenvik, Dag. “Flokkstrukturering - tiltak for lønnsom og ressurstilpasset reindrift (Herd structure and production)”. Rangifer 10, no. 4 (September 1, 1990): 21–35. Accessed June 8, 2025. https://new.eludamos.org/index.php/rangifer/article/view/908.