The Rise of the Dominion of the ar-Rus in the Northern Parts of Eastern Europe, Seventh to Ninth Centuries A.D.: A Case of Culture Construction - Callmer, Johan (. Identity formation and diversity in the early medieval Baltic and beyond. - Leiden : Brill, [2017]. - XII, 298 Seiten. - Illustrationen, Diagramme, Karten. - ISBN 90-04-29217-9, 2017)