MARTIN, Susana I; TRACANNA, Neldo; SUMMERS, Ron. Distribution and habitat use by Sheldgeese populations wintering in Buenos Aires province, Argentina. Wildfowl, [S. l.], p. 55–62, 1986. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154785. Acesso em: 16 dec. 2025.