@article{4910,
  author = {P. Judge and C. Jordan and U. Feldman},
  title = {Fe II emission lines. II - Excitation mechanisms in cool stars},
  year = {1992},
  journal = {The Astrophysical Journal},
  volume = {384},
  pages = {613},
  month = {Jan-01-1992},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1992ApJ...384..613J},
  doi = {10.1086/170903},
}