Steinicke, Ernst, Lucia Cirasuolo, and Stefka Vavti. “The Germans And Slovenes Of The Quadrilingual Val Canale. The Ethnic Difference In Danger”. Bollettino della Società Geografica Italiana (December 31, 2006): 721–736. Accessed October 11, 2026. https://bsgi.it/index.php/bsgi/article/view/7100.