NILSSON, Leif. Migration of Greylag Geese Anser anser according to recoveries of birds marked with traditional leg-rings in Sweden. Ornis Svecica, Lund, Sweden, v. 27, n. 2–4, p. 132–138, 2017. DOI: 10.34080/os.v27.19566. Disponível em: https://journals.lub.lu.se/os/article/view/19566. Acesso em: 20 apr. 2024.