Sartirana, Fabiano, and Rudy Valfiorito. “[Nesting of Golden Eagle (Aquila Chrysaetos) at an Exceptional Altitude for the Italian Alps]”. Rivista Italiana di Ornitologia 88, no. 2 (June 18, 2019): 43. Accessed August 17, 2019. https://sisn.pagepress.org/index.php/rio/article/view/335.