@book{NatkeAlpermann2010,
  author    = {Natke, Ulrich and Alpermann, Anke},
  title     = {Stottern: Erkenntnisse, Theorien, Behandlungsmethoden},
  publisher = {Hans Huber},
  address   = {Bern},
  isbn      = {978-3-456-84891-4},
  publisher      = {FH M{\"u}nster - University of Applied Sciences},
  year      = {2010},
  language  = {de}
}
@article{NatkeAlpermannHeiletal.2010,
  author    = {Natke, Ulrich and Alpermann, Anke and Heil, Winfried and Kuckenberg, Sabine and Z{\"u}ckner, Hartmut},
  title     = {Langzeiteffekte der Intensiv-Modifikation Stottern (IMS)},
  series = {Sprache, Stimme, Geh{\"o}r},
  volume    = {34},
  journal   = {Sprache, Stimme, Geh{\"o}r},
  doi       = {10.1055/s-0029-124620},
  pages     = {155 -- 164},
  year      = {2010},
  language  = {de}
}