@book { GraceandGift,
    title = "Grace and Gift",
    subtitle = "An Analysis of a Central Motif in Martin Luther’s Rationis Latomianae Confutatio",
    author = "Ragnar {Skottene}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103779"
}