@inproceedings{frisch:SMillModelling,
  author = "Frisch, A.M. and Miguel, I. and Walsh, T.",
  title = "Symmetry and Implied Constraints in the Steel Mill Slab
           Design Problem",
  booktitle ="Proceedings of the CP'01 Workshop on Modelling and
              Problem Formulation",
  pages = {8--15},
  year =2001}