Orpin, Colin G., and Svein Disch Mathiesen. “Microbiology of digestion in the Svalbard reindeer (Rangifer tarandus platyrhynchus)”. Rangifer 10, no. 3 (September 1, 1990): 187–199. Accessed April 26, 2024. https://septentrio.uit.no/index.php/rangifer/article/view/855.