@Misc{ 
  fol02,
  author = { Follo, Giorgio },
  title = { Construction of energies on compact subsets of $R^n$ },
  journal = {  },
  year = { 2002 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1096/ },
  note = { cvgmt preprint}
}