MITCHELL, Carl; COLHOUN, Kendrew; FOX, Anthony D; GRIFFIN, Larry; HALL, Colette; HEARN, Richard; HOLT, Chas; WALSH, Alyn. Trends in goose numbers wintering in Britain & Ireland, 1995 to 2008. Ornis Svecica, Lund, Sweden, v. 20, n. 3–4, p. 128–143, 2010. DOI: 10.34080/os.v20.22619. Disponível em: https://journals.lub.lu.se/os/article/view/22619. Acesso em: 15 jul. 2024.