@article{1943,
  author = {Steven Cundiff},
  title = {Metrology: New generation of combs},
  year = {2007},
  journal = {Nature},
  volume = {450},
  pages = {1175-1176},
  month = {Aug-12-2008},
  issn = {0028-0836},
  doi = {10.1038/4501175b},
}