@misc{Richter1991,
  author    = {Richter, Martin},
  title     = {Pr{\"u}fungsbereitschaft},
  isbn      = {3-7910-8036-9},
  year      = {1991},
  language  = {de}
}
@misc{Richter1991,
  author    = {Richter, Martin},
  title     = {Audit Committees},
  isbn      = {3-7910-8036-9},
  year      = {1991},
  language  = {de}
}
@misc{Richter1991,
  author    = {Richter, Martin},
  title     = {Anhang, Pr{\"u}fung der Pflichtangaben zum Einzelabschluß},
  isbn      = {3-7910-8036-9},
  year      = {1991},
  language  = {de}
}
@misc{Richter1994,
  author    = {Richter, Martin},
  title     = {Inventur},
  year      = {1994},
  language  = {de}
}
@misc{Richter1994,
  author    = {Richter, Martin},
  title     = {Anlagespiegel},
  year      = {1994},
  language  = {de}
}
@misc{Richter1994,
  author    = {Richter, Martin},
  title     = {Gesch{\"a}ftsjahr},
  year      = {1994},
  language  = {de}
}
@misc{Richter1995,
  author    = {Richter, Martin},
  title     = {Steuern und Finanzierung},
  year      = {1995},
  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{Richter1998,
  author    = {Richter, Martin},
  title     = {Langfristige Fertigung},
  year      = {1998},
  language  = {de}
}