@incollection{HahneiserSchulte-Mattler2012,
  author    = {Hahneiser, Olaf and Schulte-Mattler, Hermann},
  title     = {MaRisk und interne Steuerung},
  series = {Risiko-Manager Jahrbuch 2012/2013},
  publisher = {Bank-Verlag},
  address   = {K{\"o}ln},
  pages     = {8},
  year      = {2012},
  language  = {de}
}
@article{HahneiserSchulte-Mattler2010,
  author    = {Hahneiser, Olaf and Schulte-Mattler, Hermann},
  title     = {MaRisk und interne Steuerung},
  series = {Risiko Manager},
  number    = {15},
  issn      = {1861-9363},
  year      = {2010},
  language  = {de}
}