ANDERSEN, Liselotte; OLSEN, Morten Tange. Distribution and population structure of North Atlantic harbour seals (Phoca vitulina). NAMMCO Scientific Publications, Tromsø, Norway, v. 8, p. 15–35, 2010. DOI: 10.7557/3.2669. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2669. Acesso em: 3 may. 2026.