@Inproceedings{EPTCS109.3,
  author    = {Bartoletti, Massimo and Cimoli, Tiziana and Pinna, G. Michele and Zunino, Roberto},
  year      = {2013},
  title     = {An event-based model for contracts},
  editor    = {Gay, Simon and Kelly, Paul},
  booktitle = {{\rm Proceedings Fifth Workshop on}
               Programming Language Approaches to Concurrency- and Communication-cEntric Software,
               {\rm Tallinn, Estonia, 31 March 2012}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {109},
  publisher = {Open Publishing Association},
  pages     = {13-20},
  doi       = {10.4204/EPTCS.109.3},
}