WALDENSTRÖM, J.; RHÖNNSTAD, P.; HASSELQUIST, D. Habitat preferences and population trends in the Barred Warbler Sylvia nisoria in the Ottenby area, southeast Sweden. Ornis Svecica, Lund, Sweden, v. 14, n. 3, p. 107–116, 2004. DOI: 10.34080/os.v14.22791. Disponível em: https://journals.lub.lu.se/os/article/view/22791. Acesso em: 10 dec. 2022.