@article{Physics.2.96,
  title = {Observation of directed percolation\char22{}a class of nonequilibrium phase transitions},
  author = {Hinrichsen, Haye},
  journal = {Physics},
  volume = {2},
  issue = {},
  pages = {96},
  numpages = {1},
  year = {2009},
  month = {Nov},
  doi = {10.1103/Physics.2.96},
  url = {http://link.aps.org/doi/10.1103/Physics.2.96},
  publisher = {American Physical Society}
}