@article{5318,
  author = {G. Rybicki and David Hummer},
  title = {An accelerated lambda iteration method for multilevel radiative transfer. III. Noncoherent electron scattering},
  year = {1994},
  journal = {Astronomy and Astrophysics},
  volume = {290},
  pages = {553-562},
  url = {http://adsabs.harvard.edu/full/1994A\%26A...290..553R},
}