Aagnes, Tove H., and Svein D. Mathiesen. “Gross anatomy of the gastrointestinal tract in reindeer, free-living and fed baled timothy silage in summer and winter”. Rangifer 16, no. 1 (January 1, 1996): 31–39. Accessed December 19, 2024. https://septentrio.uit.no/index.php/rangifer/article/view/1184.