@article{10204,
  author = {T. Ayres and Jeffrey Linsky and R. Shine},
  title = {Stellar Upper Photosphere Models Based on the Ca II K-wing. II. The Coherent Scattering Approximation},
  year = {1975},
  journal = {Bulletin of the American Astronomical Society},
  volume = {7},
  chapter = {359},
}