@book { DiedeutscheInsolvenzgeldversicherungundEGRecht,
    title = "Die deutsche Insolvenzgeldversicherung und EG-Recht",
    author = "Hartwig {Kasten}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096344"
}