NILSSON, Leif. Possible density-dependence in an expanding population of Greylag Goose Anser anser in south Sweden. Wildfowl, [S. l.], v. 66, p. 98–111, 2016. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153678. Acesso em: 5 apr. 2026.