@book { VerborgenerGottDreieinigerGott,
    title = "Verborgener Gott - Dreieiniger Gott",
    subtitle = "Ein Koordinationsproblem lutherischer Gotteslehre bei Werner Elert",
    author = "Thomas {Gerlach, Pfarrer}",
    year = "1998",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086828"
}