KOJOLA, Ilpo; HELLE, Timo. Regional differences in density-dependent mortality and reproduction in Finnish reindeer. Rangifer, Tromsø, Norway, v. 13, n. 1, p. 33–38, 1993. DOI: 10.7557/2.13.1.1070. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1070. Acesso em: 3 may. 2026.