@book { GiacominodaVerona,
    title = "Giacomino da Verona",
    subtitle = "Himmel und Hölle in der frühen italienischen Literatur",
    author = "Marco {Schrage}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095083"
}