@article{11446,
  author = {D. van Blerkom and David Hummer},
  title = {A Non-Lte Theory of Overlapping Lines Near the Series Limit},
  year = {1968},
  journal = {The Astrophysical Journal},
  volume = {154},
  pages = {741},
  month = {Jan-11-1968},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1968ApJ...154..741V},
  doi = {10.1086/149793},
}