PETERSEN, Margaret R; GILL, Robert E, Jr. Population and status of Emperor Geese along the north side of the Alaska Peninsula. Wildfowl, [S. l.], v. 33, p. 31–38, 1982. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154221. Acesso em: 15 apr. 2026.