@book{Grass2000,
  author    = {Brigitte Grass},
  title     = {Einf{\"u}hrung in die Betriebswirtschaftslehre},
  publisher = {Verl. Neue Wirtschafts-Briefe},
  address   = {Herne},
  isbn      = {3-482-51621-9},
  year      = {2000},
  language  = {de}
}