@book { DieTrkeivonderWestIntegrationzurOstWendung,
    title = "Die Türkei: von der West-Integration zur Ost-Wendung?",
    author = "Yusuf {Aslan}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1087160"
}