@article{7562,
  author = {Peter Conti and Catharine Garmany and C. de Lore and D. Vanbeveren},
  title = {The evolution of massive stars - The numbers and distribution of O stars and Wolf-Rayet stars},
  year = {1983},
  journal = {The Astrophysical Journal},
  volume = {274},
  pages = {302},
  month = {Jan-11-1983},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1983ApJ...274..302C},
  doi = {10.1086/161447},
}