@book { QualittszirkelIdeenmanagementdurchGruppenarbeit,
    title = "Qualitätszirkel - Ideenmanagement durch Gruppenarbeit",
    author = "Joachim {Deppe}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1073670"
}