@book{Chmielewicz.1989,
  address = {Stuttgart},
  author = {Chmielewicz, Klaus},
  interhash = {2138c278ce9aae04f77a7188bf941790},
  intrahash = {d8e4f18024dc0c9340727bd7bbdf53dd},
  isbn = {3791080245},
  publisher = {Poeschel},
  series = {Enzyklopädie der Betriebswirtschaftslehre},
  title = {Handwörterbuch der Öffentlichen Betriebswirtschaft},
  volume = {Bd. 11},
  year = 1989
}

@book{Macharzina.1989,
  address = {Stuttgart},
  author = {Macharzina, Klaus},
  interhash = {a2b42cd455152f0b01be0a3c3779eddf},
  intrahash = {16e949eef5f2ddbac9e592a8747f187c},
  isbn = {3791080296},
  publisher = {Poeschel},
  series = {Enzyklopädie der Betriebswirtschaftslehre},
  title = {Handwörterbuch Export und Internationale Unternehmung},
  volume = {Bd. 12},
  year = 1989
}