Aagnes, Tove H., and Svein D. Mathiesen. “Round Baled Grass Silage As Food for Reindeer in Winter”. Rangifer 15, no. 1 (December 1, 1995): 27-35. Accessed April 18, 2021. https://septentrio.uit.no/index.php/rangifer/article/view/1154.