Lawler, James P., and Robert G. White. “Seasonal Changes in Metabolic Rates in Muskoxen Following Twenty- Four Hours of Starvation”. Rangifer 17, no. 3 (February 1, 1997): 135-138. Accessed November 30, 2020. https://septentrio.uit.no/index.php/rangifer/article/view/1365.