Hueting, S., Miglio, M. ., & Santucci, B. (2022). [Three new breeding sites of the Pallid swift (<em>Apus pallidus</em>) in the L’Aquila province in the central Apennines]. Rivista Italiana Di Ornitologia, 92(1), 65–66. https://doi.org/10.4081/rio.2021.593