Carpegna, Franco, Giovanni Soldato, and Roberto Toffoli. “Breeding Bird Communities in an Area of the Northern Apennines (Piedmont, NW Italy)”. Rivista Italiana di Ornitologia 88, no. 2 (June 18, 2019): 23-32. Accessed October 16, 2019. https://sisn.pagepress.org/index.php/rio/article/view/388.