REEVES, Randall R. Distribution, abundance and biology of ringed seals (Phoca hispida): an overview. NAMMCO Scientific Publications, Tromsø, Norway, v. 1, p. 9–45, 1998. DOI: 10.7557/3.2979. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2979. Acesso em: 22 apr. 2026.