@article{7604,
  author = {John Cooper and Ivan Hubeny and J. Oxenius},
  title = {On the line profile coefficient for stimulated emission},
  year = {1983},
  journal = {Astronomy and Astrophysics},
  volume = {127},
  pages = {224-226},
  url = {http://adsabs.harvard.edu/full/1983A\%26A...127..224C},
  note = {JILA Pub. 2700},
}