@incollection{SenneHegner2010,
  author    = {Senne, Holger and Hegner, Kathleen},
  title     = {Die betriebliche {\"U}bung},
  series = {Jahrbuch Franchising 2010},
  publisher = {ZAP-Verlag f{\"u}r die Rechts- und Anwaltspraxis},
  address   = {M{\"u}nster},
  pages     = {7},
  year      = {2010},
  language  = {de}
}
@incollection{SenneSenne2011,
  author    = {Senne, Holger and Senne, Petra},
  title     = {Arbeit, Lohn und Glaube},
  series = {Recht - Politik - Geschichte : Festschrift f{\"u}r Franz-Josef D{\"u}well zum 65. Geburtstag},
  publisher = {Nomos},
  address   = {Baden-Baden},
  pages     = {8},
  year      = {2011},
  language  = {de}
}