@book{MetteCzechKuenzeletal.2004, 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 : Arbeit, Technik}, isbn = {978-3-637-88768-8}, year = {2004}, }