@inproceedings{Pinto:ersads01,
  author = "Pinto, A. and Miranda, H. and Rodrigues, L.",
  address = " Bertinoro (Forli),Italy",
  booktitle = "Fourth European Research Seminar on Advances in Distributed Systems (ERSADS'01)",
  month = may,
  title = "Light-Weight Groups: an implementation in Ensemble",
  year = "2001",
}