“Responsiveness to Acoustic Stimulation, Distribution and Habitat Preferences of the Grey-Headed Woodpecker, Picus Canus, and the Three-Toed Woodpecker, Picoides Tridactylus, in Friuli-Venezia Giulia (North-Eastern Italy)”. 2015. Rivista Italiana Di Ornitologia 84 (1): 41-52. https://doi.org/10.4081/rio.2014.227.