@book { Libyen,
    title = "Libyen",
    subtitle = "Zurück auf der Weltbühne",
    author = "Herbert {Strunz} and Monique {Dorsch}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1090018"
}