«Expansion of the breeding range and probable high-altitude nesting of the European Nightjar Caprimulgus europaeus in the Carnic Alps (North-eastern Italy)». Avocetta 40, no. 2 (dicembre 30, 2016). Consultato luglio 27, 2026. https://test-ojs-unimi-it.archicoop.it/index.php/avocetta/article/view/30200.