@book { BosnienHerzegowina1878,
    title = "Bosnien-Herzegowina 1878",
    subtitle = "Der Aufbau der Verwaltung unter FZM Herzog Wilhelm v. Württemberg und dessen Biographie",
    author = "Karl {Gabriel}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097227"
}