@Misc{ 
  and03,
  author = { Lorent, Andrew },
  title = { A generalised conical density theorem for unrectifiable sets },
  journal = { Annales Academiae Scientiarum Fennicae, Mathematica },
  year = { 2003 },
  volume = { 28 },
  number = { 2 },
  pages = { 415-431 },
  URL = { http://cvgmt.sns.it/paper/294/ },
  note = { cvgmt preprint}
}