@book { sterreichUngarnsKampfumdasHeiligeLand,
    title = "Österreich-Ungarns Kampf um das Heilige Land",
    author = "Robert-Tarek {Fischer}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097619"
}