Petitta, Marco. “Hydrogeology of the Middle Valley of the Velino River and of the S. Vittorino Plain (Rieti, Central Italy)”. Italian journal of engineering geology and environment, no. 1 (June 30, 2009): 157–181. Accessed April 25, 2024. https://rosa.uniroma1.it/rosa02/engineering_geology_environment/article/view/970.