HEDENSTRÖM, A.; LINDSTRÖM, Åke; PETTERSSON, J. Interrupted moult of adult Willow Warblers Phylloscopus trochilus during autumn migration through Sweden. Ornis Svecica, Lund, Sweden, v. 5, n. 2, p. 69–74, 1995. DOI: 10.34080/os.v5.23006. Disponível em: https://journals.lub.lu.se/os/article/view/23006. Acesso em: 20 jan. 2022.