@book{MetteCzechKuenzeletal.2000,
  author    = {Dieter Mette and Olaf Czech and Matthias K{\"u}nzel and Bernd Meier and Helmut Meschenmoser and Ulf Stopperka and Heidi Traue},
  title     = {Arbeitslehre aktuell : Arbeitsheft Technik 2},
  isbn      = {978-3-637-88763-3},
  year      = {2000},
}