@book { PreventiveActionforRefugeeProducingSituations,
    title = "Preventive Action for Refugee Producing Situations",
    subtitle = "With a Foreword by Poul Hartling, UN High Commissioner for Refugees 1978-1985",
    author = "Luise {Drüke}",
    year = "1993",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1079161"
}