@Article{ 
  Spe12a,
  author = { Speight, Gareth },
  title = { Surfaces Meeting Porous Sets in Positive Measure },
  journal = { Israel Journal of Mathematics },
  year = { 2012 },
  volume = { 196 },
  number = { 1 },
  pages = { 435-460 },
  URL = { http://cvgmt.sns.it/paper/3438/ },
  note = { cvgmt preprint}
}