[Three new breeding sites of the Pallid swift (Apus pallidus) in the L’Aquila province in the central Apennines]. Rivista Italiana di Ornitologia, [S. l.], v. 92, n. 1, p. 65–66, 2022. DOI: 10.4081/rio.2021.593. Disponível em: https://sisn.pagepress.org/rio/article/view/593. Acesso em: 31 may. 2025.