@article{Physics.5.126,
  title = {Optical Atomic Clocks Could Redefine Unit of Time},
  author = {Riehle, Fritz},
  journal = {Physics},
  volume = {5},
  issue = {},
  pages = {126},
  numpages = {1},
  year = {2012},
  month = {Nov},
  doi = {10.1103/Physics.5.126},
  url = {http://link.aps.org/doi/10.1103/Physics.5.126},
  publisher = {American Physical Society}
}