@article{709,
  author = {Scott Diddams and L. Hollberg and L.-S. Ma and Lennart Robertsson},
  title = {Femtosecond-laser-based optical clockwork with instability<= less than or equal to 6.3 X 10-16 in 1 s},
  year = {2002},
  journal = {Optics Letters},
  volume = {27},
  pages = {58},
  month = {Jan-01-2002},
  issn = {0146-9592},
  url = {http://www.opticsinfobase.org/abstract.cfm?URI=ol-27-1-58},
  doi = {10.1364/OL.27.000058},
}