@book { ArbeitsorganisationdesLeanProductionKonzepts,
    title = "Arbeitsorganisation des Lean Production Konzepts",
    author = "Friedhelm {Steffens}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832422271",
    url = "https://m.diplom.de/document/218048"
}