SIVTSEV, Ivan. The Sundrun population of wild reindeer. Rangifer, Tromsø, Norway, v. 23, n. 5, p. 193–195, 2003. DOI: 10.7557/2.23.5.1700. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1700. Acesso em: 7 jun. 2026.