@article{Leicht08community,
  author = {Leicht, E. A. and Newman, M. E. J.},
  doi = {10.1103/PhysRevLett.100.118703},
  interhash = {825411a28bde71cda1c9087fc329d963},
  intrahash = {93726cc0540f75ee1cb515b2923d69e8},
  journal = {Phys. Rev. Lett.},
  month = mar,
  number = 11,
  numpages = {4},
  pages = 118703,
  publisher = {American Physical Society},
  title = {Community Structure in Directed Networks},
  volume = 100,
  year = 2008
}