Francioni, Mirko, Nicola Sciarra, Monica Ghirotti, Lisa Borgatti, Riccardo Salvini, and Fernando Calamita. 2019. “The Impact of New Technologies in the Engineering Classification of Rock Masses”. Italian Journal of Engineering Geology and Environment, November, 33-39. https://doi.org/10.4408/IJEGE.2019-01.S-06.