@article{2111,
  author = {C. Barbosa and R. Blum and Peter Conti and A. Daminelli and E. Figueredo},
  title = {High Spatial Resolution Spectroscopy of W51 IRS 2E and IRS 2W: Two Very Massive Young Stars in Early Formation Stages},
  year = {2008},
  journal = {The Astrophysical Journal},
  volume = {678},
  pages = {L55 - L58},
  month = {Jan-05-2008},
  issn = {0004-637X},
  doi = {10.1086/588500},
}