@book { DerRechtsschutzimLohnsteuerverfahren,
    title = "Der Rechtsschutz im Lohnsteuerverfahren",
    author = "Oliver {Tillmann}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1090742"
}