MARRIS, R; OGILVIE, M A. The ringing of Barnacle Geese in Greenland in 1961. Wildfowl, [S. l.], v. 13, p. 12, 1962. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/155807. Acesso em: 19 apr. 2026.