@InProceedings{Ratschan:03a,
  author = 	 {Stefan Ratschan and Josep Veh{\'\i}},
  editor =       {Patrizio Colaneri},
  title = 	 {Robust Pole Clustering of Parametric Uncertain Systems Using Interval Methods},
  booktitle =	 {Robust Control Design 2003 --- Proceedings of the 4th IFAC Symposium},
  year =	 2004,
  publisher =    {Elsevier Science}
}