@book { PhasenundInstrumentedesKaizenProzesses,
    title = "Phasen und Instrumente des Kaizen-Prozesses",
    author = "Jörg {Conrad}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832402686",
    url = "https://m.diplom.de/document/216255"
}