@article{lewis:2004,
        author={Tim Lewis and Mark W. Jones},
        title={A System for the Non-Linear Modelling of Deformable Procedural Shapes},
        year=2004,
        journal={Journal of WSCG},
        volume=12,
        number={2},
        pages={253--260},
        issn={1213-6972},
        pdfurl={},
}