@article{4985,
  author = {Kenneth Gayley},
  title = {Partially coherent scattering in stellar chromospheres. II - The first-order escape probability method. III - A second-order probability method},
  year = {1992},
  journal = {The Astrophysical Journal},
  volume = {390},
  pages = {573},
  month = {Jan-05-1992},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1992ApJ...390..573G},
  doi = {10.1086/171308},
}