@INPROCEEDINGS{cp11,
    AUTHOR={Goldsztejn, A. and Jermann, C. and {Ruiz de Angulo}, V. and Torras, C.},
    TITLE={Symmetry Breaking in Numeric Constraint Problems},
    Booktitle={17$^{th}$ International Conference on Principles and Practice of Constraint Programming (CP'11)},
    YEAR={2011},
    Volume={6876},
    Series={LNCS},
    pages={317-324}
}