@inproceedings{BaiardiMS09,
  author    = {Fabrizio Baiardi and Dario Maggiari and Daniele Sgandurra},
  title     = {{Securing Health Information Infrastructures through Overlays}},
  year      = {2009},
  pages     = {123-128},
  editor    = {{Lu\'{\i}s Azevedo and Ana Rita Londral}},
  booktitle     = {{Proceedings of the Second International Conference on Health Informatics, HEALTHINF 2009, Porto, Portugal, January 14-17, 2009}},
  publisher = {{INSTICC Press}},
  isbn      = {978-989-8111-63-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}