Ronchi, Bruno, Andrea Amici, Carlo Maria Rossi, Riccardo Primi, Rita Biasi, and Maria Nicolina Ripa. 2014. “Multi-Temporal Analysis of Urban and Peri-Urban Land Use Changes in Medieval Towns of Central Italy”. Hábitat Y Sociedad 7 (7). https://revistascientificas.us.es/index.php/HyS/article/view/4492.