@article{Physics.4.66,
  title = {All that is gold does not glitter},
  author = {Daniilidis, Nikos and H\"affner, Hartmut},
  journal = {Physics},
  volume = {4},
  issue = {},
  pages = {66},
  numpages = {1},
  year = {2011},
  month = {Aug},
  doi = {10.1103/Physics.4.66},
  url = {http://link.aps.org/doi/10.1103/Physics.4.66},
  publisher = {American Physical Society}
}