ARONSSON, Åke. The change in nunbers of Nightjars Caprimulgus europaeus during twentyone years at Ale and Vättle fjäll near Gothenburg. Ornis Svecica, Lund, Sweden, v. 5, n. 3–4, p. 161–164, 1995. DOI: 10.34080/os.v5.23004. Disponível em: https://journals.lub.lu.se/os/article/view/23004. Acesso em: 3 may. 2024.