@book { DieRechtfertigungderTabaksteuer,
    title = "Die Rechtfertigung der Tabaksteuer",
    author = "Tillman {Kempf}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099400"
}