@article{11040,
  author = {E. Avrett and David Hummer},
  title = {Non-coherent scattering, II: Line formation with a frequency independent source function},
  year = {1965},
  journal = {Monthly Notices of the Royal Astronomical Society},
  volume = {130},
  pages = {295},
  month = {00/1965},
  url = {http://adsabs.harvard.edu/full/1965MNRAS.130..295A},
  doi = {10.1093/mnras/130.4.295},
  note = {JILA Pub. 68},
}