@book{ErberKoehlerLattemannetal.2005,
  author    = {Erber, Georg and K{\"o}hler, Thomas and Lattemann, Christoph and Preissl, Brigitte and Rentmeister, Jahn},
  title     = {Rahmenbedingungen f{\"u}r eine Breitbandoffensive in Deutschland : Studie f{\"u}r die Deutsche Telekom AG},
  publisher = {DIW},
  address   = {Berlin},
  pages     = {83 S.},
  year      = {2005},
  language  = {de}
}
@article{SchneiderKoehler1992,
  author    = {Schneider, Ingo and K{\"o}hler, Brigitte},
  title     = {Amitrole tolerance in cell and tissue cultures and regenerated plants from Nicotiana plumbaginifolia : II. Selection system: suspension culture},
  year      = {1992},
  language  = {en}
}