@book { FhrungsinstrumentefrdasIVManagement,
    title = "Führungsinstrumente für das IV-Management",
    author = "Heidi {Jäger-Goy}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093150"
}