NILSSON, L; GREEN, M; PERSSON, H. Field choice in spring and breeding performance of Greylag Geese Anser anser in southern Sweden. Wildfowl, [S. l.], p. 7–25, 2014. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153999. Acesso em: 16 dec. 2025.