Syrjälä, Liisa, Vappu Kossila, and Helena Sipilä. 1973. “A Study of Nutritional Status of Finnish Reindeer (Rangifer Tarandus L.) in Differents months: I. Composition and Volume of the Rumen Microbiota”. Agricultural and Food Science 45 (5):534-41. https://doi.org/10.23986/afsci.72961.