@incollection{BalzThalenhorst2013,
  author    = {Ulrich Balz and Jobst Thalenhorst},
  title     = {Shareholder Value},
  booktitle = {W. Pepels, Marketingeffizienz - Kosten senken und Leistung steigern},
  edition   = {2.},
  year      = {2013},
}