@conference{804161,
  author = {S Bergeson and A Balakrishnan and K Baldwin and Thomas Lucatorto},
  title = {Doppler-free RIS of the He 1s2 1s - 1s2s 1S Transition at 120.4 nm,},
  year = {1996},
  month = {1996-01-01 00:01:00},
  publisher = {Int. Symp. Reson. Ion., Penn State, 1, NY},
  language = {en},
}