NILSSEN, Kjell Tormod; SKAVBERG, Nils-Erik; POLTERMANN, Michael; HAUG, Tore; HÄRKÖNEN, Tero; HENRIKSEN, Gunnar. Status of harbour seals (Phoca vitulina) in mainland Norway. NAMMCO Scientific Publications, Tromsø, Norway, v. 8, p. 61–69, 2010. DOI: 10.7557/3.2672. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2672. Acesso em: 22 apr. 2026.