VALKENBURG, Patrick; KELLEYHOUSE, David G.; DAVIS, James L.; VER HOEF, Jay M. Case history of the Fortymile Caribou Herd, 1920-1990. Rangifer, Tromsø, Norway, v. 14, n. 1, p. 11–22,46, 1994. DOI: 10.7557/2.14.1.1128. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1128. Acesso em: 7 may. 2026.