@book { CitiesofSigns,
    title = "Cities of Signs",
    subtitle = "Learning the Logic of Urban Spaces",
    author = "Andrew T. {Hickey}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1143793"
}