@book { GlobalisierungundMigration,
    title = "Globalisierung und Migration",
    author = "Ingo {Deffner}",
    year = "2004",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638282925",
    url = "https://www.hausarbeiten.de/document/25759"
}