**Author details**

Alberto Tofani, Gregorio D'Agostino, Antonio Di Pietro, Sonia Giovinazzi, Luigi La Porta, Giacomo Parmendola, Maurizio Pollino and Vittorio Rosato\* Laboratory for the Analysis and Protection of Critical Infrastructure, ENEA Casaccia Research Centre, EISAC.it, Rome, Italy

\*Address all correspondence to: vittorio.rosato@enea.it

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
