@article{vonKeitzGloth2013,
  author    = {von Keitz, Isabel and Gloth, Thomas},
  title     = {Praxis ausgew{\"a}hlter HGB-Anhangangaben (Teil 1)},
  series = {Der Betrieb},
  journal   = {Der Betrieb},
  number    = {4},
  pages     = {129 -- 138},
  year      = {2013},
  language  = {mul}
}
@article{vonKeitzGloth2013,
  author    = {von Keitz, Isabel and Gloth, Thomas},
  title     = {Praxis ausgew{\"a}hlter HGB-Anhangangaben (Teil 2)},
  series = {Der Betrieb},
  journal   = {Der Betrieb},
  number    = {5},
  pages     = {185 -- 194},
  year      = {2013},
  language  = {mul}
}
@article{vonKeitz2003,
  author    = {von Keitz, Isabel},
  title     = {Freiwillige externe Berichterstattung {\"u}ber immaterielle Werte},
  series = {DB 2003},
  journal   = {DB 2003},
  pages     = {1233 -- 1237},
  year      = {2003},
  language  = {mul}
}