Nilsson L, Kampe-Persson H. Changes in migration and wintering patterns of Greylag Geese Anser anser from southernmost Sweden during three decades. Ornis Svec [Internet]. 2018 Jan. 1 [cited 2024 Nov. 24];28(1):19–38. Available from: https://journals.lub.lu.se/os/article/view/19521