@incollection{Balz1993,
  author    = {Balz, Ulrich},
  title     = {Cash - Flow - Steuer, 1993},
  series = {Cash - Flow - Steuer},
  booktitle = {Cash - Flow - Steuer},
  edition   = {2. Auflage},
  address   = {M{\"u}nchen},
  year      = {1993},
  language  = {mul}
}
@incollection{Balz1993,
  author    = {Balz, Ulrich},
  title     = {Besteuerung der Alterseink{\"u}nfte},
  series = {E. Dichtl/ O.Issing: Vahlens großes Wirtschaftslexikon},
  booktitle = {E. Dichtl/ O.Issing: Vahlens großes Wirtschaftslexikon},
  edition   = {2.Auflage},
  address   = {M{\"u}nchen},
  year      = {1993},
  language  = {de}
}
@incollection{Balz1993,
  author    = {Balz, Ulrich},
  title     = {Cash-Flow-Steuer},
  series = {E.Dichtl/O.Issing: Vahlens großes Wirtschaftslexikon},
  booktitle = {E.Dichtl/O.Issing: Vahlens großes Wirtschaftslexikon},
  edition   = {2.Auflage},
  address   = {M{\"u}nchen},
  year      = {1993},
  language  = {mul}
}