Heggenes, Jan, Arvid Odland, and Dag K. Bjerketvedt. “Are trampling effects by wild tundra reindeer understudied?”. Rangifer 38, no. 1 (January 19, 2018): 1–11. Accessed April 25, 2024. https://septentrio.uit.no/index.php/rangifer/article/view/4121.