@Article{jue:14i,
  author =  {Y. Zhu and F. Sun and Y.-K. Choi and B. J\"uttler
             and W. Wang},
  title =   {Computing a Compact Spline Representation of the Medial Axis of a {2D} Shape},
  journal = {Graphical Models},
  year =    {2014},
  volume =  {76},
  pages =   {252-262},
  doi =     {10.1016/j.gmod.2014.03.007}
}