SKJENNEBERG, Sven; ÅHMAN, Gustaf; NIEMINEN, Mauri. Research News from Norway, Sweden, and Finland. Rangifer, Tromsø, Norway, v. 6, n. 1, p. 48–51, 1986. DOI: 10.7557/2.6.1.562. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/562. Acesso em: 7 may. 2026.