@article{11444,
  author = {Katharine Gebbie and Richard Thomas},
  title = {Non-Lte Diagnostic Stellar Spectroscopy. I. Conceptual and Analytical Back-Ground},
  year = {1968},
  journal = {The Astrophysical Journal},
  volume = {154},
  pages = {271},
  month = {Jan-11-1968},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1968ApJ...154..271G},
  doi = {10.1086/149756},
}