@InProceedings{Baldassarre_etal_ICCS04,
  author =     {Baldassarre G., Parisi D., Nolfi S.},
  title =      {Measuring coordination as
entropy decrease in groups of linked
simulated robots.},
editor = {Minai A., Bar-Yam Y. (eds.),}
booktitle =  {Proceedings of the International
Conference on Complex Systems
(ICCS2004)},
  year =       2005,
publisher = {Springer-Verlag, Berlin, Heidelberg, Germany},
}