@book { HandbuchderIslamischenTheologie,
    title = "Handbuch der Islamischen Theologie",
    subtitle = "Einführende Texte",
    author = "Bülent {Ucar}",
    year = "2024",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1300393"
}