@article{Hillier2015,
  author    = {D. J. Hillier},
  title     = {Spectrum formation in Wolf-Rayet stars},
  journal   = {Wolf-Rayet Stars : Proceedings of an International Workshop held in Potsdam, Germany, 1.-5. June 2015},
  pages     = {65 -- 70},
  year      = {2015},
}