@INCOLLECTION{DHR06,
  AUTHOR =   {W.~Dreyer and M.~Herrmann and J.~Rademacher},
  editor =   {A.~Mielke},
  BOOKTITLE =    {Analysis, Modeling and Simulation of Multiscale
                  Problems},
  TITLE =    {Wave trains, solitons and modulation theory in FPU chains},
  PUBLISHER =    {Springer},
  YEAR =     {2006}
}