@book { SchdelausBlei,
    title = "Schädel aus Blei?",
    subtitle = "Spaniens Guardia Civil in Geschichte, Presse und Literatur (1890-1939)",
    author = "Viktor {Sevillano Canicio}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094245"
}