@book { WemgehrtdasHeiligeLand,
    title = "Wem gehört das «Heilige Land»?",
    author = "Berthold {Schwarz}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03233-8",
    url = "https://www.peterlang.com/document/1047556"
}