@Misc{ 
  fol00,
  author = { Follo, Giorgio },
  title = { Some remarks on entropy numbers of sets with fractional dimension },
  journal = { Jenaer schriften zur mathematik und informatik },
  year = { 2000 },
  number = { 12 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/27/ },
  note = { cvgmt preprint}
}