@book { ZumProblemderkulturellenEinigungEuropas,
    title = "Zum Problem der kulturellen Einigung Europas",
    author = "Christoph {Griesshaber}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1085702"
}