SCHAEFER, James A. Canopy, snow, and lichens on woodland caribou range in southeastern Manitoba. Rangifer, Tromsø, Norway, v. 16, n. 4, p. 239–244, 1996. DOI: 10.7557/2.16.4.1249. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1249. Acesso em: 21 apr. 2026.