Imperial spheres and the Adriatic

Imperial spheres and the Adriatic : Byzantium, the Carolingians and the Treaty of Aachen (812). Edited by Mladen Ančić, Jonathan Shepard, Trpimir Vedriš. 1st ed. Abingdon : Routledge Taylor & Francis Group, 2018. xxxii, 333 s. ISBN 978-1-138-22594-7.