@article{800491,
  author = {M Zhu and Christopher Oates and John Hall},
  title = {Improved hyperfine measurements of the Na 5p excited state through frequency-controlled Dopplerless spectroscopy in a Zeeman magneto-optic laser trap},
  year = {1993},
  number = {18},
  month = {1993-01-01 00:01:00},
  publisher = {Optics Letters},
  language = {en},
}