HASKELL, Shawn P.; BALLARD, Warren B. Factors limiting productivity of the Central Arctic Caribou Herd of Alaska. Rangifer, Tromsø, Norway, v. 24, n. 2, p. 71–78, 2004. DOI: 10.7557/2.24.2.303. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/303. Acesso em: 3 may. 2026.