NILSSON, L. Field choice of autumn staging and wintering geese in southwestern Sweden 1977/1978–2011/2012. Ornis Svecica, Lund, Sweden, v. 23, n. 1, p. 3–45, 2013. DOI: 10.34080/os.v23.22581. Disponível em: https://journals.lub.lu.se/os/article/view/22581. Acesso em: 2 oct. 2022.