@book { SteuernimhistorischenKontext,
    title = "Steuern im historischen Kontext",
    author = "Roman {Seer}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04811-7",
    url = "https://www.peterlang.com/document/1048499"
}