SÖDERHOLM, Svante. Has the Greylag Goose Anser anser started to arrive earlier in Uppland?. Ornis Svecica, Lund, Sweden, v. 12, n. 4, p. 185–195, 2002. DOI: 10.34080/os.v12.22819. Disponível em: https://journals.lub.lu.se/os/article/view/22819. Acesso em: 22 nov. 2024.