@article{JMLR:v14:harris13a,
  author  = {Naftali Harris and Mathias Drton},
  title   = {PC Algorithm for Nonparanormal Graphical Models},
  journal = {Journal of Machine Learning Research},
  year    = {2013},
  volume  = {14},
  number  = {105},
  pages   = {3365--3383},
  url     = {http://jmlr.org/papers/v14/harris13a.html}
}