@book { VernunftfhigervernunftbedrftigerGlaube,
    title = "Vernunftfähiger – vernunftbedürftiger Glaube",
    author = "Kurt {Appel} and Wolfgang {Treitler} and Peter {Zeillinger}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099654"
}