@Article{Attali01a,
  author =       {D. Attali and J.-O. Lachaud},
  title =        {Delaunay conforming iso-surface; skeleton extraction and noise removal},
  journal =      "Computational Geometry: Theory and Applications",
  pages =        {175-189},
  volume =       19,
  number =       {2-3},
  publisher =    {Elsevier},
  year =         {2001}
}