@book{Haas2017,
  author    = {Haas, Peter},
  title     = {Elektronische Patientenakten},
  publisher = {Bertelsmann-Stiftung},
  address   = {G{\"u}tersloh},
  pages     = {286},
  year      = {2017},
  language  = {de}
}
@book{OPUS4-2099,
  title     = {Smart Energy 2017},
  editor    = {Großmann, Uwe and Kunold, Ingo and Engels, Christoph},
  publisher = {Verlag Werner H{\"u}lsbusch},
  address   = {Gl{\"u}ckstadt},
  isbn      = {978-3-86488-125-1},
  pages     = {158},
  year      = {2017},
  language  = {de}
}
@book{OPUS4-1795,
  title     = {Schriftenreihe des Fachbereichs Informatik der Fachhochschule Dortmund/Band 3},
  publisher = {tredition},
  address   = {Hamburg},
  isbn      = {978-3-7439-1189-5},
  pages     = {IV, 175},
  year      = {2017},
  language  = {de}
}
@book{Vollmer2017,
  author    = {Vollmer, Guy},
  title     = {Mobile app engineering},
  publisher = {dpunkt.verlag},
  address   = {Heidelberg},
  isbn      = {978-3-86490-421-9},
  pages     = {xxvii, 295},
  year      = {2017},
  language  = {de}
}