@incollection{P{\"u}schelGroßmann2011,
  author    = {P{\"u}schel, Steffen and Großmann, Uwe},
  title     = {Datenschutzaspekte bei der Einf{\"u}hrung intelligenter Energiez{\"a}hler aus Sicht der Marktteilnehmer},
  series = {Smart Energy 2011 : Smart Grid oder die Zukunft der Energiewirtschaft},
  publisher = {H{\"u}lsbusch},
  address   = {Boizenburg},
  pages     = {18},
  year      = {2011},
  language  = {de}
}
@incollection{HorsterP{\"u}schel2009,
  author    = {Horster, Bettina and P{\"u}schel, Steffen},
  title     = {Mobile Business Outlook 2008-2010},
  series = {Innovative mobile Technologien und Anwendungen},
  publisher = {Lit},
  address   = {Berlin},
  pages     = {10},
  year      = {2009},
  language  = {de}
}