HAUKSSON, Erlingur. Monitoring trends in the abundance of harbour seals (Phoca vitulina) in Icelandic waters. NAMMCO Scientific Publications, Tromsø, Norway, v. 8, p. 227–244, 2010. DOI: 10.7557/3.2687. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2687. Acesso em: 2 may. 2026.