Chiereghin, M., and F. Sartirana. “[First Successful Nesting of the Bearded Vulture (<em>Gypaetus barbatus</Em>) in Piedmont since the Beginning of the Reintroduction Project in the Alps]”. Rivista Italiana Di Ornitologia, vol. 89, no. 2, Apr. 2020, doi:10.4081/rio.2019.439.