@book { PoliticalRepresentationintheLaterMiddleAges,
    title = "Political Representation in the Later Middle Ages",
    subtitle = "Marsilius in Context",
    author = " {Hwa-Yong Lee}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1105736"
}