WHITFIELD, Paul H.; RUSSELL, Don. Recent changes in seasonal variations of climate within the range of northern caribou populations. Rangifer, Tromsø, Norway, v. 25, n. 4, p. 11–18, 2005. DOI: 10.7557/2.25.4.1748. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1748. Acesso em: 7 may. 2026.