NILSSEN, K. T.; HAUG, T. Status of grey seals (<i>Halichoerus grypus</i>) in Norway. NAMMCO Scientific Publications, [S. l.], v. 6, p. 23–31, 2007. DOI: 10.7557/3.2719. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2719. Acesso em: 19 dec. 2024.