@InProceedings{tiranni:sis:05,
  author =       {V.~Trianni and M.~Dorigo},
  title =        {Emergent Collective Decisions in a Swarm of Robots},
  year =         2005,
  pages =        {241--248},
           editor = {P.~Arabshahi and A.~Martinoli},
        publisher = {IEEE Press, Piscataway, NJ},
  booktitle =    {Proceedings of the 2005 IEEE Swarm Intelligence Symposium, (SIS 2005)},
}