@book{MetteCzechKlausetal.1995,
  author    = {Dieter Mette and Olaf Czech and Elisabeth Klaus and Bernd Meier and Ernst Schmeer and Conrad Sachs},
  title     = {Arbeitslehre aktuell : Schwerpunkt Wirtschaft, Bd. 2, Lehrerbd.},
  isbn      = {3-486-88728-9},
  year      = {1995},
}