@book { DasKonzeptderUrOffenbarungbeiPaulAlthaus,
    title = "Das Konzept der Ur-Offenbarung bei Paul Althaus",
    author = " {Joo-hoon Choi}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101681"
}