@article{9526,
  author = {J. Cassinelli and David Hummer},
  title = {Radiative transfer in spherically symmetric systems-II. The non-conservative case and linearly polarized radiation},
  year = {1971},
  journal = {Monthly Notices of the Royal Astronomical Society},
  volume = {154},
  chapter = {9},
  pages = {9-21},
  month = {00/1971},
  url = {http://adsabs.harvard.edu/full/1971MNRAS.154....9C},
  doi = {10.1093/mnras/154.1.9},
  note = {JILA Pub. 771},
}