@book { DoubleExile,
    title = "Double Exile",
    subtitle = "Migrations of Jewish-Hungarian Professionals through Germany to the United States, 1919-1945",
    author = "Tibor {Frank}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    url = "https://www.peterlang.com/document/1105836"
}