@article{7003,
  author = {David Hummer and P. Kunasz},
  title = {Energy loss by resonance line photons in an absorbing medium},
  year = {1980},
  journal = {The Astrophysical Journal},
  volume = {236},
  pages = {609},
  month = {Jan-03-1980},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1980ApJ...236..609H},
  doi = {10.1086/157779},
}