ASTELING, Roland; STRANDBERG, Anne. The appearance of the white primary patch in adult Swedish males of the Common Nightjar Caprimulgus europaeus. Ornis Svecica, Lund, Sweden, v. 9, n. 1–2, p. 83–86, 1999. DOI: 10.34080/os.v9.22919. Disponível em: https://journals.lub.lu.se/os/article/view/22919. Acesso em: 28 mar. 2024.