@INPROCEEDINGS{Wischmann06Emergence,
  author = {Wischmann, S. and Pasemann, F.},
  title = {The Emergence of Communication by Evolving Dynamical Systems},
  booktitle = {From Animals to Animats 9: Proceedings of the Ninth International Conference on Simulation of Adaptive Behaviour},
  year = {2006},
  editor = {Nolfi, S. and Baldassarre, G. and Calabretta, R. and Hallam, J. and
    Marocco, D. and Miglino, O. and Meyer, J.-A. and Parisi, D.},
  series = {LNAI 4095},
  pages = {777-788},
}