@article{8873,
  author = {P. Burger and H. Lamers},
  title = {Analytical expressions for the Rosseland-mean opacity and electron scattering in stellar atmospheres},
  year = {1988},
  journal = {Astronomy and Astrophysics},
  volume = {218},
  pages = {161-166},
  url = {http://adsabs.harvard.edu/full/1989A\%26A...218..161B},
  note = {JILA Pub. 3930},
}