WHITTEN, K. R.; CAMERON, R. D. Groups versus individuals in the determination of caribou distribution. Rangifer, [S. l.], v. 6, n. 2, p. 325–329, 1986. DOI: 10.7557/2.6.2.666. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/666. Acesso em: 19 may. 2022.