@book { DerPersonalabbaunachderInsolvenzordnung,
    title = "Der Personalabbau nach der Insolvenzordnung",
    author = "Katrin {Arend}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086400"
}