@article{10689,
  author = {S. Freudenstein and John Cooper},
  title = {A simple formula for estimating Stark widths of neutral lines},
  year = {1978},
  journal = {The Astrophysical Journal},
  volume = {224},
  pages = {1079},
  month = {Jan-09-1978},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1978ApJ...224.1079F},
  doi = {10.1086/156461},
}