@book { StGeorgmitTiersymbolen,
    title = "St. Georg mit Tiersymbolen",
    author = "Gerlinde {Bretzigheimer}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-07059-0",
    url = "https://www.peterlang.com/document/1050727"
}