Åhman, Birgitta. “Intake and Excretion of Water in Reindeer - Effects of Supplements of Potassium and Bentonite”. Rangifer 8, no. 2 (June 1, 1988): 38–43. Accessed August 6, 2026. https://septentrio.uit.no/index.php/rangifer/article/view/749.