@book { DerBruch,
    title = "Der Bruch",
    author = "Klaus {Bachmann}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-07033-0",
    url = "https://www.peterlang.com/document/1050720"
}