LUNDSTRÖM, Karl; HJERNE, Olle; ALEXANDERSSON, Karin; KARLSSON, Olle. Estimation of grey seal (Halichoerus grypus) diet composition in the Baltic Sea. NAMMCO Scientific Publications, Tromsø, Norway, v. 6, p. 177–196, 2007. DOI: 10.7557/3.2733. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2733. Acesso em: 8 jun. 2026.