@inbook{9922,
  author = {Richard Thomas and Katharine Gebbie},
  title = {Theory of Stellar Atmospheres},
  year = {1973},
  volume = {15A},
  chapter = {36},
  pages = {537-569},
  publisher = {IAU},
  url = {https://www.cambridge.org/core/journals/transactions-of-the-international-astronomical-union/article/36-theory-of-stellar-atmospheres/A8F8F1AB6B89ABC12B386D1C5DD19A94},
  note = {<p>JILA Pub. 1007</p>},
}