@book { Gefhlssozialistim20Jahrhundert,
    title = "Gefühlssozialist im 20. Jahrhundert",
    subtitle = "Leonhard Frank 1882-1961",
    author = "Ralph {Grobmann}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097813"
}