@article{9416,
  author = {John Castor},
  title = {Spectral Line Formation in Wolf-Rayet Envelopes},
  year = {1970},
  journal = {Monthly Notices of the Royal Astronomical Society},
  volume = {149},
  chapter = {111},
  pages = {111-127},
  url = {http://articles.adsabs.harvard.edu/full/1970MNRAS.149..111C},
  doi = {10.1093/mnras/149.2.111},
  note = {JILA Pub. 563},
}