@book { HamburgunterdemDruckederFranzosen186364,
    title = "Hamburg unter dem Drucke der Franzosen (1863/64)",
    author = "Helmut {Stubbe da Luz}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04157-6",
    url = "https://www.peterlang.com/document/1047346"
}