@book { ExemplarisImago,
    title = "Exemplaris Imago",
    subtitle = "Ideale in Mittelalter und Früher Neuzeit",
    author = "Nikolaus {Staubach}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1109267"
}