@book { EntsenderegelungennachnationalemundeuropischemRecht,
    title = "Entsenderegelungen nach nationalem und europäischem Recht",
    author = "Ingo {Plesterninks}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1087087"
}