@book { Cruxsolaestnostratheologia,
    title = "«Crux sola est nostra theologia»",
    subtitle = "Das Kreuz Christi als Schlüsselbegriff der «Theologia crucis» Luthers",
    author = " {Yong Joo Kim}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105218"
}