Josefsen, T. D.; Aagnes, T. H.; Mathiesen, S. D. Influence of Diet on the Morphology of the Ruminal Papillae in Reindeer Calves (Rangifer Tarandus Tarandus L.). Ran 1996, 16 (3), 119-128. https://doi.org/10.7557/2.16.3.1205.