@misc{Richter2003,
  author    = {Richter, Martin},
  title     = {Wertberichtigungen},
  isbn      = {3-7890-6319-3},
  year      = {2003},
  language  = {de}
}
@misc{Richter1995,
  author    = {Richter, Martin},
  title     = {Steuern und Finanzierung},
  year      = {1995},
  language  = {de}
}
@misc{Richter2003,
  author    = {Richter, Martin},
  title     = {Sonderr{\"u}cklage},
  isbn      = {3-7890-6319-3},
  year      = {2003},
  language  = {de}
}
@misc{Richter1998,
  author    = {Richter, Martin},
  title     = {Saldenbest{\"a}tigungen},
  year      = {1998},
  language  = {de}
}
@misc{Richter1998,
  author    = {Richter, Martin},
  title     = {Rechnungsh{\"o}fe},
  year      = {1998},
  language  = {de}
}
@misc{Richter2003,
  author    = {Richter, Martin},
  title     = {Rechnungsabgrenzung},
  isbn      = {3-7890-6319-3},
  year      = {2003},
  language  = {de}
}
@misc{Richter2003,
  author    = {Richter, Martin},
  title     = {Realisationsprinzip},
  isbn      = {3-7890-6319-3},
  year      = {2003},
  language  = {de}
}
@misc{Richter1999,
  author    = {Richter, Martin},
  title     = {Pr{\"u}fungswesen},
  year      = {1999},
  language  = {de}
}
@misc{Richter1991,
  author    = {Richter, Martin},
  title     = {Pr{\"u}fungsbereitschaft},
  isbn      = {3-7910-8036-9},
  year      = {1991},
  language  = {de}
}
@misc{Richter1998,
  author    = {Richter, Martin},
  title     = {Langfristige Fertigung},
  year      = {1998},
  language  = {de}
}