@book { IslamischesZivilrechtderhanafitischenLehre,
    title = "Islamisches Zivilrecht der hanafitischen Lehre",
    author = "Hans-Georg {Ebert} and Assem {Hefny}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03419-6",
    url = "https://www.peterlang.com/document/1047717"
}