ENEMAR, Anders. Double-brooded Whitethroats Sylvia communis in south-western Sweden?. Ornis Svecica, Lund, Sweden, v. 11, n. 1–2, p. 93–95, 2001. DOI: 10.34080/os.v11.22863. Disponível em: https://journals.lub.lu.se/os/article/view/22863. Acesso em: 19 apr. 2024.