@book{vonKeitz1997,
  author    = {von Keitz, Isabel},
  title     = {Immaterielle G{\"u}ter in der internationalen Rechnungslegung},
  edition   = {1. Aufl.},
  publisher = {IDW-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-8021-0707-1},
  pages     = {XXV, 300 S. : graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{vonKeitz2003,
  author    = {von Keitz, Isabel},
  title     = {Praxis der IASB-Rechnungslegung},
  publisher = {Sch{\"a}ffer-Poeschel},
  address   = {Stuttgart},
  isbn      = {3-7910-2062-5},
  pages     = {XXIV, 287 S. : graph. Darst.},
  year      = {2003},
  language  = {de}
}
@book{vonKeitzFarr2016,
  author    = {von Keitz, Isabel and Farr, Wolf-Michael},
  title     = {Checkliste f{\"u}r die Aufstellung und Pr{\"u}fung des Anhangs nach IFRS (Notes)},
  edition   = {7. Auflage},
  publisher = {IDW Verlag GmbH},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-8021-2062-6},
  year      = {2016},
  language  = {de}
}
@book{vonKeitzTilly2016,
  author    = {von Keitz, Isabel and Tilly, Baker},
  title     = {Praxis der IFRS-Berichterstattung},
  address   = {D{\"u}sseldorf},
  year      = {2016},
  language  = {de}
}
@book{vonKeitzFarr2003,
  author    = {von Keitz, Isabel and Farr, Wolf-Michael},
  title     = {Checkliste f{\"u}r die Aufstellung und Pr{\"u}fung des Anhangs nach IAS/IFRS (Notes)},
  address   = {D{\"u}sseldorf},
  isbn      = {3-8021-1059-5},
  year      = {2003},
  language  = {de}
}
@book{vonKeitzFarr2009,
  author    = {von Keitz, Isabel and Farr, Wolf-Michael},
  title     = {Checkliste f{\"u}r die Aufstellung und Pr{\"u}fung des Anhangs nach IAS/IFRS (Notes)},
  edition   = {4. Auflage},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-8021-1442-7},
  year      = {2009},
  language  = {de}
}
@book{vonKeitz2009,
  author    = {von Keitz, Isabel},
  title     = {Immaterielle Werte im Rahmen der Purchase Price Allocation bei Unternehmenszusammenschl{\"u}ssen - ein Beitrag zur Best-Practice, in: Zfbf, Sonderheft 60/2009},
  year      = {2009},
  language  = {de}
}
@book{vonKeitzThieleBruecks2008,
  author    = {von Keitz, Isabel and Thiele, Stefan and Br{\"u}cks, Michael},
  title     = {Internationales Bilanzrecht - Rechnungslegung nach IFRS},
  address   = {Bonn},
  year      = {2008},
  language  = {de}
}
@book{vonKeitzFarr2012,
  author    = {von Keitz, Isabel and Farr, Wolf-Michael},
  title     = {Checkliste f{\"u}r die Aufstellung und Pr{\"u}fung des Anhangs nach IFRS (Notes)},
  edition   = {5. Auflage},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-8021-1853-1},
  year      = {2012},
  language  = {de}
}
@book{vonKeitzFarr2007,
  author    = {von Keitz, Isabel and Farr, Wolf-Michael},
  title     = {Checkliste f{\"u}r die Aufstellung und Pr{\"u}fung des Anhangs nach IAS/IFRS (Notes)},
  edition   = {3. Auflage},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-8021-1346-8},
  year      = {2007},
  language  = {de}
}