@article{TodtHamann2015,
  author    = {Helge Tobias Todt and Wolf-Rainer Hamann},
  title     = {Wolf-Rayet central stars of planetary nebulae},
  journal   = {Wolf-Rayet Stars : Proceedings of an International Workshop held in Potsdam, Germany, 1.-5. June 2015},
  pages     = {253 -- 258},
  year      = {2015},
}