KINGSLEY, Michael C S; BYERS, Tim J. Failure of reproduction in ringed seals (Phoca hispida) in Amundsen Gulf, Northwest Territories in 1984-1987. NAMMCO Scientific Publications, Tromsø, Norway, v. 1, p. 197–210, 1998. DOI: 10.7557/3.2989. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2989. Acesso em: 12 may. 2026.