SKYLLBERG, Ulf. Numbers of Taiga Bean Geese Anseer f. fabalis utilizing the western and central flyways through Sweden during springtime 2007–2015. Ornis Svecica, Lund, Sweden, v. 25, n. 3–4, p. 153–165, 2015. DOI: 10.34080/os.v25.22542. Disponível em: https://journals.lub.lu.se/os/article/view/22542. Acesso em: 7 may. 2024.