@Inproceedings{EPTCS51.2,
  author    = {Best, Eike and Darondeau, Philippe and Gorrieri, Roberto},
  year      = {2011},
  title     = {On the Decidability of Non Interference over Unbounded Petri Nets},
  editor    = {Chatzikokolakis, Konstantinos and Cortier, V\'eronique},
  booktitle = {{\rm Proceedings 8th International Workshop on}
               Security Issues in Concurrency,
               {\rm Paris, France, 30th August 2010}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {51},
  publisher = {Open Publishing Association},
  pages     = {16-33},
  doi       = {10.4204/EPTCS.51.2},
}