KAMPE-PERSSON, Hakon; LERNER, Henrik. Occurrence of hybrid geese in Sweden—a conservation problem?. Ornis Svecica, Lund, Sweden, v. 17, n. 3–4, p. 154–186, 2007. DOI: 10.34080/os.v17.22681. Disponível em: https://journals.lub.lu.se/os/article/view/22681. Acesso em: 22 nov. 2024.