@book { MusikimExil,
    title = "Musik im Exil",
    subtitle = "Die Schweiz und das Ausland 1918-1945",
    author = "Chris {Walton} and Antonio {Baldassarre}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1096977"
}