@book { DerNaheundMittlereOstenEinStaatenlexikon,
    title = "Der Nahe und Mittlere Osten – Ein Staatenlexikon",
    author = "Wolfgang {Gieler} and Markus {Porsche-Ludwig}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11228",
    url = "https://www.peterlang.com/document/1049727"
}