@book { ProzeorientiertesQualittsmanagement,
    title = "Prozeßorientiertes Qualitätsmanagement",
    author = "Frank {Jakisch}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832442378",
    url = "https://m.diplom.de/document/219853"
}