@book{Szyperski.1989,
  address = {Stuttgart},
  author = {Szyperski, Norbert},
  interhash = {a56137f4954a54d0d0bac161a435812c},
  intrahash = {b7de1440b160bbc51994bd34025da1ba},
  isbn = {3791080202},
  publisher = {Poeschel},
  series = {Enzyklopädie der Betriebswirtschaftslehre},
  title = {Handwörterbuch der Planung},
  volume = {Bd. 9},
  year = 1989
}