PETERSEN, Margaret R. Observations of wing-feather moult and summer feeding ecology of Steller’s Eiders at Nelson Lagoon, Alaska. Wildfowl, [S. l.], p. 99–106, 1980. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154159. Acesso em: 18 dec. 2025.