DIGIOVANNI JR, R. A.; SABROSKY, A. M. A note on seal watching in the Northeast United States. NAMMCO Scientific Publications, [S. l.], v. 8, p. 373–377, 2010. DOI: 10.7557/3.2700. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2700. Acesso em: 29 mar. 2024.