KLEIN, D. R. Limiting factors in caribou population ecology. Rangifer, [S. l.], v. 11, n. 4, p. 30–35, 1991. DOI: 10.7557/2.11.4.990. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/990. Acesso em: 27 nov. 2021.