@book { AloisMusilintheArdelKerak,
    title = "Alois Musil in the «Ard el-Kerak»",
    author = "Udo {Worschech}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103820"
}