@article{Physics.2.43,
  title = {Fluctuations in open systems},
  author = {Ritort, Felix},
  journal = {Physics},
  volume = {2},
  issue = {},
  pages = {43},
  numpages = {1},
  year = {2009},
  month = {May},
  doi = {10.1103/Physics.2.43},
  url = {http://link.aps.org/doi/10.1103/Physics.2.43},
  publisher = {American Physical Society}
}