Affiliation: | 1.Department of Engineering, University of Perugia, Via G. Duranti, 93 -06125, Perugia, Italy ;2.Department of Physics and Geology, University of Perugia, Via Z. Faina, 4 -06123, Perugia, Italy ;3.Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, Via G. Di Biasio, 43 -03043, Cassino, FR, Italy ; |