@Misc{ 
  brachi,
  author = { Braides, Andrea and Chiadò Piat, Valeria },
  title = { Another brick in the wall },
  journal = {  },
  year = { 2005 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/423/ },
  note = { cvgmt preprint}
}