@book { Michelangelo,
    title = "Michelangelo",
    subtitle = "Die Entwürfe zu San Giovanni dei Fiorentini",
    author = "Luc H.-D. {Mojon}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1105884"
}