@article{JMLR:v8:kalisch07a,
  author  = {Markus Kalisch and Peter B{{\"u}}hlmann},
  title   = {Estimating High-Dimensional Directed Acyclic Graphs with the PC-Algorithm},
  journal = {Journal of Machine Learning Research},
  year    = {2007},
  volume  = {8},
  number  = {22},
  pages   = {613--636},
  url     = {http://jmlr.org/papers/v8/kalisch07a.html}
}