Retracted: Byzantine Military Organization on the Danube, 10th–12th Centuries. By AlexandruMadgearu. East Central and Eastern Europe in the Middle Ages, 450–1450. Leiden and Boston: E.J. Brill. 2013. xii + 212 pp. (including maps, plans, notes, bibliography and indices). 133. ISBN 9004212434. - Retracted Article | RetractBase