@article{TodtPenaHamannetal.2010,
  author    = {Helge Tobias Todt and Maria A. Pena and Wolf-Rainer Hamann and G{\"o}tz Gr{\"a}fener},
  title     = {The central star of the planetary nebula PB8 : a Wolf-Rayet-type wind of an unusual WN/WC chemical composition},
  doi       = {10.1051/0004-6361/200912183},
  url       = {http://www.aanda.org/},
  year      = {2010},
}