Boni, C., Baldoni, T., Banzato, F., Cascone, D. and Petitta, M. 2010. Hydrogeological study for identification, characterisation and management of groundwater resources in the Sibillini Mountains National Park (central Italy). Italian journal of engineering geology and environment. 2 (Dec. 2010), 21–39. DOI:https://doi.org/10.4408/IJEGE.2010-02.O-02.