@article{9415,
  author = {David Hummer},
  title = {Spectral Line Formation by Noncoherent Scattering with a Dipole Phase Function},
  year = {1970},
  journal = {Astrophysical Letters},
  volume = {5},
  pages = {1-4},
  month = {00/1970},
  url = {http://articles.adsabs.harvard.edu/full/1970ApL.....5....1H},
  note = {JILA Pub. 585},
}