@incollection{ChrDor2006:sab,
    Address = {Berlin, Germany},
    Author = {A. L. Christensen and M. Dorigo},
    Booktitle = {From Animals to Animats 9: 9th International Conference on Simulation of Adaptive Behavior, SAB 2006},
    Editor = {S. Nolfi and G. Baldassarre and R. Calabretta and J. C. T. Hallam and D. Marocco and J.-A. Meyer and O. Miglino and D. Parisi},
    Pages = {473--484},
    Publisher = {Springer Verlag},
    Series = LNAI,
    Title = {Incremental Evolution of Robot Controllers for a Highly Integrated Task},
    Volume = {4095},
    Year = {2006}}