@book { DieUnkndbarkeitimArbeitsrecht,
    title = "Die Unkündbarkeit im Arbeitsrecht",
    subtitle = "Neue Akzente durch das AGG",
    author = "Sandra {Buse}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106991"
}