@book { DerUmwandlungsprozevomKalifatzurDynastie, title = "Der UmwandlungsprozeƟ vom Kalifat zur Dynastie", author = "Mizrap {Polat}", year = "2021", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1088609" }