@book { DieKlgeraufrechnungimProzess,
    title = "Die Klägeraufrechnung im Prozess",
    author = "Nicole {Brückner}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101339"
}