@article{9318,
  author = {M. Groenewegen and H. Lamers},
  title = {The winds of O-stars. I. An analysis of the UV line profiles with the SEI method},
  year = {1989},
  journal = {Astronomy and Astrophysics Supplement Series},
  volume = {79},
  pages = {359-383},
  url = {http://articles.adsabs.harvard.edu/full/1989A\%26AS...79..359G},
  note = {JILA Pub. 4017},
}