@Article{ 
  balbuc04,
  author = { Balogh, Zoltan and Buckley, Stephen },
  title = { Sphericalization and flattening },
  journal = { Conformal Geometry and dynamics },
  year = { 2005 },
  volume = { 9 },
  pages = { 76-101 },
  URL = { http://cvgmt.sns.it/paper/1375/ },
  note = { cvgmt preprint}
}