@article{10661,
  author = {S. Langer and R. Ross and Richard McCray},
  title = {Optically thick X-ray transfer - The shell game},
  year = {1978},
  journal = {The Astrophysical Journal},
  volume = {222},
  pages = {959},
  month = {Jan-06-1978},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1978ApJ...222..959L},
  doi = {10.1086/156214},
}