@book { SprachwandelalsAusdruckpolitischenWandels,
    title = "Sprachwandel als Ausdruck politischen Wandels",
    subtitle = "Am Beispiel des Wortschatzes in Bundestagsdebatten 1949-1998",
    author = "Naser {Shrouf}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1100936"
}