HAGGARTY, Paul. Quantifying the free living energy exchanges of Arctic ungulates with stable isotopes. Rangifer, Tromsø, Norway, v. 20, n. 2-3, p. 59–69, 2000. DOI: 10.7557/2.20.2-3.1480. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1480. Acesso em: 22 apr. 2026.