@book { WirkungsundKostenNutzenAnalysen,
    title = "Wirkungs- und Kosten-Nutzen Analysen",
    author = "Christian {Pohnke}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1092272"
}