@book { TheStrugglefortheScepter,
    title = "The Struggle for the Scepter",
    author = "Clayton {Roberts} and Stewart {Dippel}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b15432",
    url = "https://www.peterlang.com/document/1058142"
}