@Misc{ 
  ChoLu18,
  author = { Choksi, Rustum and Lu, Xin Yang },
  title = { Bounds on the Geometric Complexity of Optimal Centroidal Voronoi  Tesselations in 3D },
  journal = {  },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4289/ },
  note = { cvgmt preprint}
}