HEINICKE, T.; DE JONG, A. Tundra Bean Geese Anser fabalis rossicus in central and southern Sweden autumn 2009–spring 2012. Ornis Norvegica, [S. l.], v. 36, p. 32–37, 2013. DOI: 10.15845/on.v36i0.438. Disponível em: https://boap.uib.no/index.php/ornis/article/view/438. Acesso em: 28 apr. 2024.