@article{2011a,
  author = "M. Kost and B. Wiedersheim and S. Dietzel and F. Schaub and T. Bachmor",
  title = "WiSec 2011 demo: PRECIOSA PeRA - practical enforcement of privacy policies in intelligent transportation systems",
  year = 2011,
  journal = "ACM SIGMOBILE Mobile Computing and Communications Review",
  publisher = "ACM",
  volume = 15,
  number = 3,
  doi = "10.1145/2073290.2073298"
}