@book { CarpeMundum,
    title = "Carpe Mundum",
    subtitle = "German Youth Culture of the Weimar Republic",
    author = "Luke {Springman}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103192"
}