@book { DieBedeutungderWirtschaft,
    title = "Die Bedeutung der Wirtschaft",
    author = "Wolfgang {Senz}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02357-2",
    url = "https://www.peterlang.com/document/1047327"
}