@article{Marrone:56105,
      author        = "Marrone, Stefano and Rodríguez, Ricardo J. and Nardone,
                       Roberto and Flammini, Francesco and Vittorini, Valeria",
      title         = "{On synergies of cyber and physical security modelling in
                       vulnerability assessment of railway systems}",
      year          = "2015",
}