SMITH, David L. A test of the herbivore optimization hypothesis using muskoxen and a graminoid meadow plant community. Rangifer, Tromsø, Norway, v. 16, n. 2, p. 69–77, 1996. DOI: 10.7557/2.16.2.1199. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1199. Acesso em: 28 apr. 2026.