NILSSON, L; PERSSON, H. Natal and breeding dispersal in the Baltic Greylag Goose Anser anser. Wildfowl, [S. l.], v. 52, p. 21–30, 2001. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153974. Acesso em: 15 apr. 2026.