STEWART, Robert EA; KOVACS, Kit M; ACQUARONE, Mario. Introduction: Walrus of the North Atlantic. NAMMCO Scientific Publications, Tromsø, Norway, v. 9, p. 7–12, 2014. DOI: 10.7557/3.3157. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/3157. Acesso em: 4 may. 2026.