@article{7399,
  author = {J. Shull and M. Van Steenberg},
  title = {The ionization equilibrium of astrophysically abundant elements},
  year = {1982},
  journal = {The Astrophysical Journal Supplement Series},
  volume = {48},
  pages = {95},
  month = {Jan-01-1982},
  issn = {0067-0049},
  url = {http://adsabs.harvard.edu/full/1982ApJS...48...95S},
  doi = {10.1086/190769},
}