@book { TransculturalApproachestotheConceptofImperialRuleintheMiddleAges,
    title = "Transcultural Approaches to the Concept of Imperial Rule in the Middle Ages",
    author = "Christian {Scholl} and Torben R. {Gebhardt} and Jan {Clauß}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05232-9",
    url = "https://www.peterlang.com/document/1067766"
}