NILSSON, L.; PERSSON, H. Changes in field choice among staging and wintering geese in southwestern Scania, south Sweden. Ornis Svecica, Lund, Sweden, v. 10, n. 3–4, p. 161–169, 2000. DOI: 10.34080/os.v10.22875. Disponível em: https://journals.lub.lu.se/os/article/view/22875. Acesso em: 16 may. 2022.