@book { Kriegstagebcherdes19Jahrhunderts,
    title = "Kriegstagebücher des 19. Jahrhunderts",
    subtitle = "Entstehung – Sprache – Edition",
    author = "Andrea {Wolf}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099763"
}