@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{LattemannKoehler2008,
  author    = {Lattemann, Christoph and K{\"o}hler, Thomas},
  title     = {Trust or control : governance concepts for virtual organizations},
  year      = {2008},
  language  = {en}
}