@article{10067,
  author = {Peter Conti},
  title = {Spectroscopic studies of O-type stars. IV. Lines in the red region},
  year = {1974},
  journal = {The Astrophysical Journal},
  volume = {187},
  pages = {539},
  month = {Jan-02-1974},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1974ApJ...187..539C},
  doi = {10.1086/152664},
}