@Article{ 
  BouRop14,
  author = { Bourne, David and Roper, Steven },
  title = { Centroidal power diagrams, Lloyd's algorithm and applications to optimal location problems },
  journal = { SIAM Journal on Numerical Analysis },
  year = { 2015 },
  doi = { 10.1137/141000993 },
  volume = { 53 },
  number = { 6 },
  pages = { 2545-2569 },
  URL = { http://cvgmt.sns.it/paper/2517/ },
  note = { cvgmt preprint}
}