@article{64056,
  author = {Scott Diddams and Leo Hollberg and L Ma and Lennart Robertsson},
  title = {Femtosecond-Laser-Based Optical Clockwork with Instability < 6.3 &#215; 10<sup>-16</sup> in 1 s},
  year = {2002},
  number = {27},
  month = {2002-01-01},
  publisher = {Optics Letters},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=104897},
  language = {en},
}