@Article{Baldassarre_etal_alife05,
  author =       "Baldassarre G., Parisi D., Nolfi S.",
  title =        "Distributed coordination of
simulated robots based on self-organisation.",
  journal =      "Artificial Life",
  year =         "Summer 2006",
  volume =       "12",
  number =       "3",
  pages =        "289-311",
  note = "to appear",
}