@article{813001,
  author = {W DeGraffenreid and Craig Sansonetti},
  title = {2<sup>2</sup>S<sub>1/2</sub> Transition of Atomic Lithium by Doppler-Free Two-Photon Spectroscopy},
  year = {2003},
  number = {67},
  month = {2003-01-01 00:01:00},
  publisher = {Physical Review A (Atomic, Molecular and Optical Physics)},
  language = {en},
}